31939430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2224

約数の個数: 32

約数和(自身を含む): 61585920

約数和(自身を除く): 29646490

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 2111, 3026, 4222, 7565, 10555, 15130, 21110, 35887, 71774, 179435, 187879, 358870, 375758, 939395, 1878790, 3193943, 6387886, 15969715, 31939430]

約数ペア:

[(1, 31939430), (2, 15969715), (5, 6387886), (10, 3193943), (17, 1878790), (34, 939395), (85, 375758), (89, 358870), (170, 187879), (178, 179435), (445, 71774), (890, 35887), (1513, 21110), (2111, 15130), (3026, 10555), (4222, 7565)]