128210285

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 180403200

約数和(自身を除く): 52192915

約数列:

[1, 5, 7, 35, 79, 89, 395, 445, 521, 553, 623, 2605, 2765, 3115, 3647, 7031, 18235, 35155, 41159, 46369, 49217, 205795, 231845, 246085, 288113, 324583, 1440565, 1622915, 3663151, 18315755, 25642057, 128210285]

約数ペア:

[(1, 128210285), (5, 25642057), (7, 18315755), (35, 3663151), (79, 1622915), (89, 1440565), (395, 324583), (445, 288113), (521, 246085), (553, 231845), (623, 205795), (2605, 49217), (2765, 46369), (3115, 41159), (3647, 35155), (7031, 18235)]