68425370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16979}}^1$

素因数の和:17030

約数の個数: 32

約数和(自身を含む): 136926720

約数和(自身を除く): 68501350

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16979, 33958, 84895, 169790, 220727, 441454, 526349, 1052698, 1103635, 2207270, 2631745, 5263490, 6842537, 13685074, 34212685, 68425370]

約数ペア:

[(1, 68425370), (2, 34212685), (5, 13685074), (10, 6842537), (13, 5263490), (26, 2631745), (31, 2207270), (62, 1103635), (65, 1052698), (130, 526349), (155, 441454), (310, 220727), (403, 169790), (806, 84895), (2015, 33958), (4030, 16979)]