68639336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1171}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 136702080

約数和(自身を除く): 68062744

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 431, 862, 1171, 1724, 2342, 3448, 4684, 7327, 9368, 14654, 19907, 29308, 39814, 58616, 79628, 159256, 504701, 1009402, 2018804, 4037608, 8579917, 17159834, 34319668, 68639336]

約数ペア:

[(1, 68639336), (2, 34319668), (4, 17159834), (8, 8579917), (17, 4037608), (34, 2018804), (68, 1009402), (136, 504701), (431, 159256), (862, 79628), (1171, 58616), (1724, 39814), (2342, 29308), (3448, 19907), (4684, 14654), (7327, 9368)]