261755267

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1867}}^1$

素因数の和:2090

約数の個数: 16

約数和(自身を含む): 283338240

約数和(自身を除く): 21582973

約数列:

[1, 19, 47, 157, 893, 1867, 2983, 7379, 35473, 87749, 140201, 293119, 1667231, 5569261, 13776593, 261755267]

約数ペア:

[(1, 261755267), (19, 13776593), (47, 5569261), (157, 1667231), (893, 293119), (1867, 140201), (2983, 87749), (7379, 35473)]