81311524

素因数分解:

$2^2\times 7^1\times {\mathrm{1297}}^1\times {\mathrm{2239}}^1$

素因数の和:3547

約数の個数: 24

約数和(自身を含む): 162821120

約数和(自身を除く): 81509596

約数列:

[1, 2, 4, 7, 14, 28, 1297, 2239, 2594, 4478, 5188, 8956, 9079, 15673, 18158, 31346, 36316, 62692, 2903983, 5807966, 11615932, 20327881, 40655762, 81311524]

約数ペア:

[(1, 81311524), (2, 40655762), (4, 20327881), (7, 11615932), (14, 5807966), (28, 2903983), (1297, 62692), (2239, 36316), (2594, 31346), (4478, 18158), (5188, 15673), (8956, 9079)]