280565588

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{7211}}^1$

素因数の和:7423

約数の個数: 24

約数和(自身を含む): 501609024

約数和(自身を除く): 221043436

約数列:

[1, 2, 4, 71, 137, 142, 274, 284, 548, 7211, 9727, 14422, 19454, 28844, 38908, 511981, 987907, 1023962, 1975814, 2047924, 3951628, 70141397, 140282794, 280565588]

約数ペア:

[(1, 280565588), (2, 140282794), (4, 70141397), (71, 3951628), (137, 2047924), (142, 1975814), (274, 1023962), (284, 987907), (548, 511981), (7211, 38908), (9727, 28844), (14422, 19454)]