258532456

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{355127}}^1$

素因数の和:355153

約数の個数: 32

約数和(自身を含む): 596615040

約数和(自身を除く): 338082584

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 355127, 710254, 1420508, 2485889, 2841016, 4616651, 4971778, 9233302, 9943556, 18466604, 19887112, 32316557, 36933208, 64633114, 129266228, 258532456]

約数ペア:

[(1, 258532456), (2, 129266228), (4, 64633114), (7, 36933208), (8, 32316557), (13, 19887112), (14, 18466604), (26, 9943556), (28, 9233302), (52, 4971778), (56, 4616651), (91, 2841016), (104, 2485889), (182, 1420508), (364, 710254), (728, 355127)]