678459670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{136511}}^1$

素因数の和:136596

約数の個数: 32

約数和(自身を含む): 1415356416

約数和(自身を除く): 736896746

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 136511, 273022, 682555, 955577, 1365110, 1911154, 4777885, 9555770, 9692281, 19384562, 48461405, 67845967, 96922810, 135691934, 339229835, 678459670]

約数ペア:

[(1, 678459670), (2, 339229835), (5, 135691934), (7, 96922810), (10, 67845967), (14, 48461405), (35, 19384562), (70, 9692281), (71, 9555770), (142, 4777885), (355, 1911154), (497, 1365110), (710, 955577), (994, 682555), (2485, 273022), (4970, 136511)]