64991270

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 119439360

約数和(自身を除く): 54448090

約数列:

[1, 2, 5, 10, 71, 142, 239, 355, 383, 478, 710, 766, 1195, 1915, 2390, 3830, 16969, 27193, 33938, 54386, 84845, 91537, 135965, 169690, 183074, 271930, 457685, 915370, 6499127, 12998254, 32495635, 64991270]

約数ペア:

[(1, 64991270), (2, 32495635), (5, 12998254), (10, 6499127), (71, 915370), (142, 457685), (239, 271930), (355, 183074), (383, 169690), (478, 135965), (710, 91537), (766, 84845), (1195, 54386), (1915, 33938), (2390, 27193), (3830, 16969)]