68437648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{251609}}^1$

素因数の和:251634

約数の個数: 20

約数和(自身を含む): 140398380

約数和(自身を除く): 71960732

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 251609, 503218, 1006436, 2012872, 4025744, 4277353, 8554706, 17109412, 34218824, 68437648]

約数ペア:

[(1, 68437648), (2, 34218824), (4, 17109412), (8, 8554706), (16, 4277353), (17, 4025744), (34, 2012872), (68, 1006436), (136, 503218), (272, 251609)]