78695188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 171551520

約数和(自身を除く): 92856332

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 169, 209, 247, 286, 338, 418, 494, 557, 572, 676, 836, 988, 1114, 1859, 2228, 2717, 3211, 3718, 5434, 6127, 6422, 7241, 7436, 10583, 10868, 12254, 12844, 14482, 21166, 24508, 28964, 35321, 42332, 70642, 79651, 94133, 116413, 137579, 141284, 159302, 188266, 232826, 275158, 318604, 376532, 465652, 550316, 1035463, 1513369, 1788527, 2070926, 3026738, 3577054, 4141852, 6053476, 7154108, 19673797, 39347594, 78695188]

約数ペア:

[(1, 78695188), (2, 39347594), (4, 19673797), (11, 7154108), (13, 6053476), (19, 4141852), (22, 3577054), (26, 3026738), (38, 2070926), (44, 1788527), (52, 1513369), (76, 1035463), (143, 550316), (169, 465652), (209, 376532), (247, 318604), (286, 275158), (338, 232826), (418, 188266), (494, 159302), (557, 141284), (572, 137579), (676, 116413), (836, 94133), (988, 79651), (1114, 70642), (1859, 42332), (2228, 35321), (2717, 28964), (3211, 24508), (3718, 21166), (5434, 14482), (6127, 12844), (6422, 12254), (7241, 10868), (7436, 10583)]