81370448

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1171}}^1$

素因数の和:1323

約数の個数: 40

約数和(自身を含む): 163058016

約数和(自身を除く): 81687568

約数列:

[1, 2, 4, 8, 16, 43, 86, 101, 172, 202, 344, 404, 688, 808, 1171, 1616, 2342, 4343, 4684, 8686, 9368, 17372, 18736, 34744, 50353, 69488, 100706, 118271, 201412, 236542, 402824, 473084, 805648, 946168, 1892336, 5085653, 10171306, 20342612, 40685224, 81370448]

約数ペア:

[(1, 81370448), (2, 40685224), (4, 20342612), (8, 10171306), (16, 5085653), (43, 1892336), (86, 946168), (101, 805648), (172, 473084), (202, 402824), (344, 236542), (404, 201412), (688, 118271), (808, 100706), (1171, 69488), (1616, 50353), (2342, 34744), (4343, 18736), (4684, 17372), (8686, 9368)]