64517778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 72

約数和(自身を含む): 153474048

約数和(自身を除く): 88956270

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 127, 167, 169, 234, 254, 334, 338, 381, 501, 507, 762, 1002, 1014, 1143, 1503, 1521, 1651, 2171, 2286, 3006, 3042, 3302, 4342, 4953, 6513, 9906, 13026, 14859, 19539, 21209, 21463, 28223, 29718, 39078, 42418, 42926, 56446, 63627, 64389, 84669, 127254, 128778, 169338, 190881, 193167, 254007, 275717, 381762, 386334, 508014, 551434, 827151, 1654302, 2481453, 3584321, 4962906, 7168642, 10752963, 21505926, 32258889, 64517778]

約数ペア:

[(1, 64517778), (2, 32258889), (3, 21505926), (6, 10752963), (9, 7168642), (13, 4962906), (18, 3584321), (26, 2481453), (39, 1654302), (78, 827151), (117, 551434), (127, 508014), (167, 386334), (169, 381762), (234, 275717), (254, 254007), (334, 193167), (338, 190881), (381, 169338), (501, 128778), (507, 127254), (762, 84669), (1002, 64389), (1014, 63627), (1143, 56446), (1503, 42926), (1521, 42418), (1651, 39078), (2171, 29718), (2286, 28223), (3006, 21463), (3042, 21209), (3302, 19539), (4342, 14859), (4953, 13026), (6513, 9906)]