81770986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1669}}^1$

素因数の和:1830

約数の個数: 32

約数和(自身を含む): 142845120

約数和(自身を除く): 61074134

約数列:

[1, 2, 11, 17, 22, 34, 131, 187, 262, 374, 1441, 1669, 2227, 2882, 3338, 4454, 18359, 24497, 28373, 36718, 48994, 56746, 218639, 312103, 437278, 624206, 2405029, 3716863, 4810058, 7433726, 40885493, 81770986]

約数ペア:

[(1, 81770986), (2, 40885493), (11, 7433726), (17, 4810058), (22, 3716863), (34, 2405029), (131, 624206), (187, 437278), (262, 312103), (374, 218639), (1441, 56746), (1669, 48994), (2227, 36718), (2882, 28373), (3338, 24497), (4454, 18359)]