164015275

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 208544688

約数和(自身を除く): 44529413

約数列:

[1, 5, 25, 61, 131, 305, 655, 821, 1525, 3275, 4105, 7991, 20525, 39955, 50081, 107551, 199775, 250405, 537755, 1252025, 2688775, 6560611, 32803055, 164015275]

約数ペア:

[(1, 164015275), (5, 32803055), (25, 6560611), (61, 2688775), (131, 1252025), (305, 537755), (655, 250405), (821, 199775), (1525, 107551), (3275, 50081), (4105, 39955), (7991, 20525)]