128657906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3527}}^1$

素因数の和:3626

約数の個数: 32

約数和(自身を含む): 220485888

約数和(自身を除く): 91827982

約数列:

[1, 2, 13, 23, 26, 46, 61, 122, 299, 598, 793, 1403, 1586, 2806, 3527, 7054, 18239, 36478, 45851, 81121, 91702, 162242, 215147, 430294, 1054573, 2109146, 2796911, 4948381, 5593822, 9896762, 64328953, 128657906]

約数ペア:

[(1, 128657906), (2, 64328953), (13, 9896762), (23, 5593822), (26, 4948381), (46, 2796911), (61, 2109146), (122, 1054573), (299, 430294), (598, 215147), (793, 162242), (1403, 91702), (1586, 81121), (2806, 45851), (3527, 36478), (7054, 18239)]