2856455

素因数分解:

$5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 4062960

約数和(自身を除く): 1206505

約数列:

[1, 5, 7, 35, 49, 89, 131, 245, 445, 623, 655, 917, 3115, 4361, 4585, 6419, 11659, 21805, 32095, 58295, 81613, 408065, 571291, 2856455]

約数ペア:

[(1, 2856455), (5, 571291), (7, 408065), (35, 81613), (49, 58295), (89, 32095), (131, 21805), (245, 11659), (445, 6419), (623, 4585), (655, 4361), (917, 3115)]