131570218

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{4013}}^1$

素因数の和:4138

約数の個数: 24

約数和(自身を含む): 215961228

約数和(自身を除く): 84391010

約数列:

[1, 2, 13, 26, 97, 169, 194, 338, 1261, 2522, 4013, 8026, 16393, 32786, 52169, 104338, 389261, 678197, 778522, 1356394, 5060393, 10120786, 65785109, 131570218]

約数ペア:

[(1, 131570218), (2, 65785109), (13, 10120786), (26, 5060393), (97, 1356394), (169, 778522), (194, 678197), (338, 389261), (1261, 104338), (2522, 52169), (4013, 32786), (8026, 16393)]