31128172

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{409}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 55792800

約数和(自身を除く): 24664628

約数列:

[1, 2, 4, 53, 106, 212, 359, 409, 718, 818, 1436, 1636, 19027, 21677, 38054, 43354, 76108, 86708, 146831, 293662, 587324, 7782043, 15564086, 31128172]

約数ペア:

[(1, 31128172), (2, 15564086), (4, 7782043), (53, 587324), (106, 293662), (212, 146831), (359, 86708), (409, 76108), (718, 43354), (818, 38054), (1436, 21677), (1636, 19027)]