81494452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{17609}}^1$

素因数の和:17715

約数の個数: 24

約数和(自身を含む): 155320200

約数和(自身を除く): 73825748

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 17609, 35218, 70436, 228917, 457834, 915668, 1567201, 3134402, 6268804, 20373613, 40747226, 81494452]

約数ペア:

[(1, 81494452), (2, 40747226), (4, 20373613), (13, 6268804), (26, 3134402), (52, 1567201), (89, 915668), (178, 457834), (356, 228917), (1157, 70436), (2314, 35218), (4628, 17609)]