68538928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{225457}}^1$

素因数の和:225484

約数の個数: 20

約数和(自身を含む): 139783960

約数和(自身を除く): 71245032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 225457, 450914, 901828, 1803656, 3607312, 4283683, 8567366, 17134732, 34269464, 68538928]

約数ペア:

[(1, 68538928), (2, 34269464), (4, 17134732), (8, 8567366), (16, 4283683), (19, 3607312), (38, 1803656), (76, 901828), (152, 450914), (304, 225457)]