81489646

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{9343}}^1$

素因数の和:9448

約数の個数: 24

約数和(自身を含む): 143804160

約数和(自身を除く): 62314514

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 4361, 8722, 9343, 18686, 65401, 130802, 457807, 831527, 915614, 1663054, 5820689, 11641378, 40744823, 81489646]

約数ペア:

[(1, 81489646), (2, 40744823), (7, 11641378), (14, 5820689), (49, 1663054), (89, 915614), (98, 831527), (178, 457807), (623, 130802), (1246, 65401), (4361, 18686), (8722, 9343)]