7901021570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1\times {\mathrm{607}}^1$

素因数の和:1299

約数の個数: 64

約数和(自身を含む): 15444172800

約数和(自身を除く): 7543151230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 449, 607, 898, 1115, 1214, 2230, 2245, 2899, 3035, 4490, 5798, 5837, 6070, 7891, 11674, 14495, 15782, 28990, 29185, 39455, 58370, 78910, 100127, 135361, 200254, 270722, 272543, 500635, 545086, 676805, 1001270, 1301651, 1353610, 1362715, 1759693, 2603302, 2725430, 3519386, 3543059, 6508255, 7086118, 8798465, 13016510, 17596930, 17715295, 35430590, 60777089, 121554178, 303885445, 607770890, 790102157, 1580204314, 3950510785, 7901021570]

約数ペア:

[(1, 7901021570), (2, 3950510785), (5, 1580204314), (10, 790102157), (13, 607770890), (26, 303885445), (65, 121554178), (130, 60777089), (223, 35430590), (446, 17715295), (449, 17596930), (607, 13016510), (898, 8798465), (1115, 7086118), (1214, 6508255), (2230, 3543059), (2245, 3519386), (2899, 2725430), (3035, 2603302), (4490, 1759693), (5798, 1362715), (5837, 1353610), (6070, 1301651), (7891, 1001270), (11674, 676805), (14495, 545086), (15782, 500635), (28990, 272543), (29185, 270722), (39455, 200254), (58370, 135361), (78910, 100127)]