87872785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 143829504

約数和(自身を除く): 55956719

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 97, 143, 181, 385, 455, 485, 679, 715, 905, 1001, 1067, 1261, 1267, 1991, 2353, 3395, 5005, 5335, 6305, 6335, 7469, 8827, 9955, 11765, 13871, 13937, 16471, 17557, 25883, 37345, 44135, 69355, 69685, 82355, 87785, 97097, 122899, 129415, 181181, 193127, 228241, 485485, 614495, 905905, 965635, 1141205, 1351889, 1597687, 2510651, 6759445, 7988435, 12553255, 17574557, 87872785]

約数ペア:

[(1, 87872785), (5, 17574557), (7, 12553255), (11, 7988435), (13, 6759445), (35, 2510651), (55, 1597687), (65, 1351889), (77, 1141205), (91, 965635), (97, 905905), (143, 614495), (181, 485485), (385, 228241), (455, 193127), (485, 181181), (679, 129415), (715, 122899), (905, 97097), (1001, 87785), (1067, 82355), (1261, 69685), (1267, 69355), (1991, 44135), (2353, 37345), (3395, 25883), (5005, 17557), (5335, 16471), (6305, 13937), (6335, 13871), (7469, 11765), (8827, 9955)]