263123172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 763176960

約数和(自身を除く): 500053788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 127, 156, 171, 228, 233, 234, 247, 254, 342, 381, 466, 468, 494, 508, 684, 699, 741, 762, 932, 988, 1143, 1398, 1482, 1524, 1651, 2097, 2223, 2286, 2413, 2796, 2964, 3029, 3302, 4194, 4427, 4446, 4572, 4826, 4953, 6058, 6604, 7239, 8388, 8854, 8892, 9087, 9652, 9906, 12116, 13281, 14478, 14859, 17708, 18174, 19812, 21717, 26562, 27261, 28956, 29591, 29718, 31369, 36348, 39843, 43434, 53124, 54522, 57551, 59182, 59436, 62738, 79686, 86868, 88773, 94107, 109044, 115102, 118364, 125476, 159372, 172653, 177546, 188214, 230204, 266319, 282321, 345306, 355092, 376428, 384683, 517959, 532638, 562229, 564642, 690612, 769366, 1035918, 1065276, 1124458, 1129284, 1154049, 1538732, 1686687, 2071836, 2248916, 2308098, 3373374, 3462147, 4616196, 5060061, 6746748, 6924294, 7308977, 10120122, 13848588, 14617954, 20240244, 21926931, 29235908, 43853862, 65780793, 87707724, 131561586, 263123172]

約数ペア:

[(1, 263123172), (2, 131561586), (3, 87707724), (4, 65780793), (6, 43853862), (9, 29235908), (12, 21926931), (13, 20240244), (18, 14617954), (19, 13848588), (26, 10120122), (36, 7308977), (38, 6924294), (39, 6746748), (52, 5060061), (57, 4616196), (76, 3462147), (78, 3373374), (114, 2308098), (117, 2248916), (127, 2071836), (156, 1686687), (171, 1538732), (228, 1154049), (233, 1129284), (234, 1124458), (247, 1065276), (254, 1035918), (342, 769366), (381, 690612), (466, 564642), (468, 562229), (494, 532638), (508, 517959), (684, 384683), (699, 376428), (741, 355092), (762, 345306), (932, 282321), (988, 266319), (1143, 230204), (1398, 188214), (1482, 177546), (1524, 172653), (1651, 159372), (2097, 125476), (2223, 118364), (2286, 115102), (2413, 109044), (2796, 94107), (2964, 88773), (3029, 86868), (3302, 79686), (4194, 62738), (4427, 59436), (4446, 59182), (4572, 57551), (4826, 54522), (4953, 53124), (6058, 43434), (6604, 39843), (7239, 36348), (8388, 31369), (8854, 29718), (8892, 29591), (9087, 28956), (9652, 27261), (9906, 26562), (12116, 21717), (13281, 19812), (14478, 18174), (14859, 17708)]