289399733

素因数分解:

$7^5\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 344002752

約数和(自身を除く): 54603019

約数列:

[1, 7, 49, 67, 257, 343, 469, 1799, 2401, 3283, 12593, 16807, 17219, 22981, 88151, 120533, 160867, 617057, 843731, 1126069, 4319399, 5906117, 41342819, 289399733]

約数ペア:

[(1, 289399733), (7, 41342819), (49, 5906117), (67, 4319399), (257, 1126069), (343, 843731), (469, 617057), (1799, 160867), (2401, 120533), (3283, 88151), (12593, 22981), (16807, 17219)]