7890918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2212

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 10356762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 2111, 3738, 4222, 6333, 12666, 14777, 29554, 44331, 88662, 187879, 375758, 563637, 1127274, 1315153, 2630306, 3945459, 7890918]

約数ペア:

[(1, 7890918), (2, 3945459), (3, 2630306), (6, 1315153), (7, 1127274), (14, 563637), (21, 375758), (42, 187879), (89, 88662), (178, 44331), (267, 29554), (534, 14777), (623, 12666), (1246, 6333), (1869, 4222), (2111, 3738)]