31638904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21149}}^1$

素因数の和:21183

約数の個数: 32

約数和(自身を含む): 68526000

約数和(自身を除く): 36887096

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 21149, 42298, 84596, 169192, 232639, 359533, 465278, 719066, 930556, 1438132, 1861112, 2876264, 3954863, 7909726, 15819452, 31638904]

約数ペア:

[(1, 31638904), (2, 15819452), (4, 7909726), (8, 3954863), (11, 2876264), (17, 1861112), (22, 1438132), (34, 930556), (44, 719066), (68, 465278), (88, 359533), (136, 232639), (187, 169192), (374, 84596), (748, 42298), (1496, 21149)]