31389976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2129}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 62622000

約数和(自身を除く): 31232024

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1843, 2129, 3686, 4258, 7372, 8516, 14744, 17032, 40451, 80902, 161804, 206513, 323608, 413026, 826052, 1652104, 3923747, 7847494, 15694988, 31389976]

約数ペア:

[(1, 31389976), (2, 15694988), (4, 7847494), (8, 3923747), (19, 1652104), (38, 826052), (76, 413026), (97, 323608), (152, 206513), (194, 161804), (388, 80902), (776, 40451), (1843, 17032), (2129, 14744), (3686, 8516), (4258, 7372)]