81907982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{21143}}^1$

素因数の和:21307

約数の個数: 16

約数和(自身を含む): 133207200

約数和(自身を除く): 51299218

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 21143, 42286, 274859, 549718, 3150307, 6300614, 40953991, 81907982]

約数ペア:

[(1, 81907982), (2, 40953991), (13, 6300614), (26, 3150307), (149, 549718), (298, 274859), (1937, 42286), (3874, 21143)]