261371761

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{2113}}^1$

素因数の和:2592

約数の個数: 16

約数和(自身を含む): 306851328

約数和(自身を除く): 45479567

約数列:

[1, 7, 41, 287, 431, 2113, 3017, 14791, 17671, 86633, 123697, 606431, 910703, 6374921, 37338823, 261371761]

約数ペア:

[(1, 261371761), (7, 37338823), (41, 6374921), (287, 910703), (431, 606431), (2113, 123697), (3017, 86633), (14791, 17671)]