641918784

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 168

約数和(自身を含む): 1871179392

約数和(自身を除く): 1229260608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 73, 78, 96, 104, 146, 156, 169, 192, 208, 219, 271, 292, 312, 338, 416, 438, 507, 542, 584, 624, 676, 813, 832, 876, 949, 1014, 1084, 1168, 1248, 1352, 1626, 1752, 1898, 2028, 2168, 2336, 2496, 2704, 2847, 3252, 3504, 3523, 3796, 4056, 4336, 4672, 5408, 5694, 6504, 7008, 7046, 7592, 8112, 8672, 10569, 10816, 11388, 12337, 13008, 14016, 14092, 15184, 16224, 17344, 19783, 21138, 22776, 24674, 26016, 28184, 30368, 32448, 37011, 39566, 42276, 45552, 45799, 49348, 52032, 56368, 59349, 60736, 74022, 79132, 84552, 91104, 91598, 98696, 112736, 118698, 137397, 148044, 158264, 169104, 182208, 183196, 197392, 225472, 237396, 257179, 274794, 296088, 316528, 338208, 366392, 394784, 474792, 514358, 549588, 592176, 633056, 676416, 732784, 771537, 789568, 949584, 1028716, 1099176, 1184352, 1266112, 1465568, 1543074, 1899168, 2057432, 2198352, 2368704, 2931136, 3086148, 3343327, 3798336, 4114864, 4396704, 6172296, 6686654, 8229728, 8793408, 10029981, 12344592, 13373308, 16459456, 20059962, 24689184, 26746616, 40119924, 49378368, 53493232, 80239848, 106986464, 160479696, 213972928, 320959392, 641918784]

約数ペア:

[(1, 641918784), (2, 320959392), (3, 213972928), (4, 160479696), (6, 106986464), (8, 80239848), (12, 53493232), (13, 49378368), (16, 40119924), (24, 26746616), (26, 24689184), (32, 20059962), (39, 16459456), (48, 13373308), (52, 12344592), (64, 10029981), (73, 8793408), (78, 8229728), (96, 6686654), (104, 6172296), (146, 4396704), (156, 4114864), (169, 3798336), (192, 3343327), (208, 3086148), (219, 2931136), (271, 2368704), (292, 2198352), (312, 2057432), (338, 1899168), (416, 1543074), (438, 1465568), (507, 1266112), (542, 1184352), (584, 1099176), (624, 1028716), (676, 949584), (813, 789568), (832, 771537), (876, 732784), (949, 676416), (1014, 633056), (1084, 592176), (1168, 549588), (1248, 514358), (1352, 474792), (1626, 394784), (1752, 366392), (1898, 338208), (2028, 316528), (2168, 296088), (2336, 274794), (2496, 257179), (2704, 237396), (2847, 225472), (3252, 197392), (3504, 183196), (3523, 182208), (3796, 169104), (4056, 158264), (4336, 148044), (4672, 137397), (5408, 118698), (5694, 112736), (6504, 98696), (7008, 91598), (7046, 91104), (7592, 84552), (8112, 79132), (8672, 74022), (10569, 60736), (10816, 59349), (11388, 56368), (12337, 52032), (13008, 49348), (14016, 45799), (14092, 45552), (15184, 42276), (16224, 39566), (17344, 37011), (19783, 32448), (21138, 30368), (22776, 28184), (24674, 26016)]