31987490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 58890240

約数和(自身を除く): 26902750

約数列:

[1, 2, 5, 10, 89, 127, 178, 254, 283, 445, 566, 635, 890, 1270, 1415, 2830, 11303, 22606, 25187, 35941, 50374, 56515, 71882, 113030, 125935, 179705, 251870, 359410, 3198749, 6397498, 15993745, 31987490]

約数ペア:

[(1, 31987490), (2, 15993745), (5, 6397498), (10, 3198749), (89, 359410), (127, 251870), (178, 179705), (254, 125935), (283, 113030), (445, 71882), (566, 56515), (635, 50374), (890, 35941), (1270, 25187), (1415, 22606), (2830, 11303)]