31874518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23131}}^1$

素因数の和:23199

約数の個数: 16

約数和(自身を含む): 52463376

約数和(自身を除く): 20588858

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 23131, 46262, 300703, 601406, 1225943, 2451886, 15937259, 31874518]

約数ペア:

[(1, 31874518), (2, 15937259), (13, 2451886), (26, 1225943), (53, 601406), (106, 300703), (689, 46262), (1378, 23131)]