653690885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{521}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 862552800

約数和(自身を除く): 208861915

約数列:

[1, 5, 17, 29, 85, 145, 493, 509, 521, 2465, 2545, 2605, 8653, 8857, 14761, 15109, 43265, 44285, 73805, 75545, 250937, 256853, 265189, 1254685, 1284265, 1325945, 4508213, 7690481, 22541065, 38452405, 130738177, 653690885]

約数ペア:

[(1, 653690885), (5, 130738177), (17, 38452405), (29, 22541065), (85, 7690481), (145, 4508213), (493, 1325945), (509, 1284265), (521, 1254685), (2465, 265189), (2545, 256853), (2605, 250937), (8653, 75545), (8857, 73805), (14761, 44285), (15109, 43265)]