78487175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 110430432

約数和(自身を除く): 31943257

約数列:

[1, 5, 13, 25, 37, 61, 65, 107, 185, 305, 325, 481, 535, 793, 925, 1391, 1525, 2257, 2405, 2675, 3959, 3965, 6527, 6955, 11285, 12025, 19795, 19825, 29341, 32635, 34775, 51467, 56425, 84851, 98975, 146705, 163175, 241499, 257335, 424255, 733525, 1207495, 1286675, 2121275, 3139487, 6037475, 15697435, 78487175]

約数ペア:

[(1, 78487175), (5, 15697435), (13, 6037475), (25, 3139487), (37, 2121275), (61, 1286675), (65, 1207495), (107, 733525), (185, 424255), (305, 257335), (325, 241499), (481, 163175), (535, 146705), (793, 98975), (925, 84851), (1391, 56425), (1525, 51467), (2257, 34775), (2405, 32635), (2675, 29341), (3959, 19825), (3965, 19795), (6527, 12025), (6955, 11285)]