81127176

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260023}}^1$

素因数の和:260045

約数の個数: 32

約数和(自身を含む): 218420160

約数和(自身を除く): 137292984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260023, 520046, 780069, 1040092, 1560138, 2080184, 3120276, 3380299, 6240552, 6760598, 10140897, 13521196, 20281794, 27042392, 40563588, 81127176]

約数ペア:

[(1, 81127176), (2, 40563588), (3, 27042392), (4, 20281794), (6, 13521196), (8, 10140897), (12, 6760598), (13, 6240552), (24, 3380299), (26, 3120276), (39, 2080184), (52, 1560138), (78, 1040092), (104, 780069), (156, 520046), (312, 260023)]