438509968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 1046183040

約数和(自身を除く): 607673072

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 61, 68, 76, 104, 107, 122, 136, 152, 208, 214, 221, 244, 247, 272, 304, 323, 428, 442, 488, 494, 646, 793, 856, 884, 976, 988, 1037, 1159, 1292, 1391, 1586, 1712, 1768, 1819, 1976, 2033, 2074, 2318, 2584, 2782, 3172, 3536, 3638, 3952, 4066, 4148, 4199, 4636, 5168, 5564, 6344, 6527, 7276, 8132, 8296, 8398, 9272, 11128, 12688, 13054, 13481, 14552, 15067, 16264, 16592, 16796, 18544, 19703, 22256, 23647, 26108, 26429, 26962, 29104, 30134, 32528, 33592, 34561, 39406, 47294, 52216, 52858, 53924, 60268, 67184, 69122, 78812, 84851, 94588, 104432, 105716, 107848, 110959, 120536, 124013, 138244, 157624, 169702, 189176, 211432, 215696, 221918, 241072, 248026, 256139, 276488, 315248, 339404, 378352, 422864, 443836, 449293, 496052, 512278, 552976, 678808, 887672, 898586, 992104, 1024556, 1357616, 1442467, 1612169, 1775344, 1797172, 1984208, 2049112, 2108221, 2884934, 3224338, 3594344, 4098224, 4216442, 5769868, 6448676, 7188688, 8432884, 11539736, 12897352, 16865768, 23079472, 25794704, 27406873, 33731536, 54813746, 109627492, 219254984, 438509968]

約数ペア:

[(1, 438509968), (2, 219254984), (4, 109627492), (8, 54813746), (13, 33731536), (16, 27406873), (17, 25794704), (19, 23079472), (26, 16865768), (34, 12897352), (38, 11539736), (52, 8432884), (61, 7188688), (68, 6448676), (76, 5769868), (104, 4216442), (107, 4098224), (122, 3594344), (136, 3224338), (152, 2884934), (208, 2108221), (214, 2049112), (221, 1984208), (244, 1797172), (247, 1775344), (272, 1612169), (304, 1442467), (323, 1357616), (428, 1024556), (442, 992104), (488, 898586), (494, 887672), (646, 678808), (793, 552976), (856, 512278), (884, 496052), (976, 449293), (988, 443836), (1037, 422864), (1159, 378352), (1292, 339404), (1391, 315248), (1586, 276488), (1712, 256139), (1768, 248026), (1819, 241072), (1976, 221918), (2033, 215696), (2074, 211432), (2318, 189176), (2584, 169702), (2782, 157624), (3172, 138244), (3536, 124013), (3638, 120536), (3952, 110959), (4066, 107848), (4148, 105716), (4199, 104432), (4636, 94588), (5168, 84851), (5564, 78812), (6344, 69122), (6527, 67184), (7276, 60268), (8132, 53924), (8296, 52858), (8398, 52216), (9272, 47294), (11128, 39406), (12688, 34561), (13054, 33592), (13481, 32528), (14552, 30134), (15067, 29104), (16264, 26962), (16592, 26429), (16796, 26108), (18544, 23647), (19703, 22256)]