397609345

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1361}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 578969856

約数和(自身を除く): 181360511

約数列:

[1, 5, 7, 17, 35, 85, 119, 491, 595, 1361, 2455, 3437, 6805, 8347, 9527, 17185, 23137, 41735, 47635, 58429, 115685, 161959, 292145, 668251, 809795, 3341255, 4677757, 11360267, 23388785, 56801335, 79521869, 397609345]

約数ペア:

[(1, 397609345), (5, 79521869), (7, 56801335), (17, 23388785), (35, 11360267), (85, 4677757), (119, 3341255), (491, 809795), (595, 668251), (1361, 292145), (2455, 161959), (3437, 115685), (6805, 58429), (8347, 47635), (9527, 41735), (17185, 23137)]