17912791

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 2408489

約数列:

[1, 13, 23, 139, 299, 431, 1807, 3197, 5603, 9913, 41561, 59909, 128869, 778817, 1377907, 17912791]

約数ペア:

[(1, 17912791), (13, 1377907), (23, 778817), (139, 128869), (299, 59909), (431, 41561), (1807, 9913), (3197, 5603)]