40047161

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 51217920

約数和(自身を除く): 11170759

約数列:

[1, 7, 11, 49, 77, 191, 389, 539, 1337, 2101, 2723, 4279, 9359, 14707, 19061, 29953, 74299, 102949, 209671, 520093, 817289, 3640651, 5721023, 40047161]

約数ペア:

[(1, 40047161), (7, 5721023), (11, 3640651), (49, 817289), (77, 520093), (191, 209671), (389, 102949), (539, 74299), (1337, 29953), (2101, 19061), (2723, 14707), (4279, 9359)]