1551388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 2898000

約数和(自身を除く): 1346612

約数列:

[1, 2, 4, 19, 38, 76, 137, 149, 274, 298, 548, 596, 2603, 2831, 5206, 5662, 10412, 11324, 20413, 40826, 81652, 387847, 775694, 1551388]

約数ペア:

[(1, 1551388), (2, 775694), (4, 387847), (19, 81652), (38, 40826), (76, 20413), (137, 11324), (149, 10412), (274, 5662), (298, 5206), (548, 2831), (596, 2603)]