31185310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 65100672

約数和(自身を除く): 33915362

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 103, 130, 137, 170, 206, 221, 274, 442, 515, 685, 1030, 1105, 1339, 1370, 1751, 1781, 2210, 2329, 2678, 3502, 3562, 4658, 6695, 8755, 8905, 11645, 13390, 14111, 17510, 17810, 22763, 23290, 28222, 30277, 45526, 60554, 70555, 113815, 141110, 151385, 183443, 227630, 239887, 302770, 366886, 479774, 917215, 1199435, 1834430, 2398870, 3118531, 6237062, 15592655, 31185310]

約数ペア:

[(1, 31185310), (2, 15592655), (5, 6237062), (10, 3118531), (13, 2398870), (17, 1834430), (26, 1199435), (34, 917215), (65, 479774), (85, 366886), (103, 302770), (130, 239887), (137, 227630), (170, 183443), (206, 151385), (221, 141110), (274, 113815), (442, 70555), (515, 60554), (685, 45526), (1030, 30277), (1105, 28222), (1339, 23290), (1370, 22763), (1751, 17810), (1781, 17510), (2210, 14111), (2329, 13390), (2678, 11645), (3502, 8905), (3562, 8755), (4658, 6695)]