81210968

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{1471}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 156149760

約数和(自身を除く): 74938792

約数列:

[1, 2, 4, 8, 67, 103, 134, 206, 268, 412, 536, 824, 1471, 2942, 5884, 6901, 11768, 13802, 27604, 55208, 98557, 151513, 197114, 303026, 394228, 606052, 788456, 1212104, 10151371, 20302742, 40605484, 81210968]

約数ペア:

[(1, 81210968), (2, 40605484), (4, 20302742), (8, 10151371), (67, 1212104), (103, 788456), (134, 606052), (206, 394228), (268, 303026), (412, 197114), (536, 151513), (824, 98557), (1471, 55208), (2942, 27604), (5884, 13802), (6901, 11768)]