31707890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^2$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 62951256

約数和(自身を除く): 31243366

約数列:

[1, 2, 5, 10, 17, 34, 37, 71, 74, 85, 142, 170, 185, 355, 370, 629, 710, 1207, 1258, 2414, 2627, 3145, 5041, 5254, 6035, 6290, 10082, 12070, 13135, 25205, 26270, 44659, 50410, 85697, 89318, 171394, 186517, 223295, 373034, 428485, 446590, 856970, 932585, 1865170, 3170789, 6341578, 15853945, 31707890]

約数ペア:

[(1, 31707890), (2, 15853945), (5, 6341578), (10, 3170789), (17, 1865170), (34, 932585), (37, 856970), (71, 446590), (74, 428485), (85, 373034), (142, 223295), (170, 186517), (185, 171394), (355, 89318), (370, 85697), (629, 50410), (710, 44659), (1207, 26270), (1258, 25205), (2414, 13135), (2627, 12070), (3145, 10082), (5041, 6290), (5254, 6035)]