81351604

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{523}}^1\times {\mathrm{1051}}^1$

素因数の和:1615

約数の個数: 24

約数和(自身を含む): 146631968

約数和(自身を除く): 65280364

約数列:

[1, 2, 4, 37, 74, 148, 523, 1046, 1051, 2092, 2102, 4204, 19351, 38702, 38887, 77404, 77774, 155548, 549673, 1099346, 2198692, 20337901, 40675802, 81351604]

約数ペア:

[(1, 81351604), (2, 40675802), (4, 20337901), (37, 2198692), (74, 1099346), (148, 549673), (523, 155548), (1046, 77774), (1051, 77404), (2092, 38887), (2102, 38702), (4204, 19351)]