278330938565

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2207}}^1\times {\mathrm{18587}}^1$

素因数の和:20881

約数の個数: 32

約数和(自身を含む): 354605506560

約数和(自身を除く): 76274567995

約数列:

[1, 5, 23, 59, 115, 295, 1357, 2207, 6785, 11035, 18587, 50761, 92935, 130213, 253805, 427501, 651065, 1096633, 2137505, 2994899, 5483165, 14974495, 25222559, 41021509, 126112795, 205107545, 943494707, 2420269031, 4717473535, 12101345155, 55666187713, 278330938565]

約数ペア:

[(1, 278330938565), (5, 55666187713), (23, 12101345155), (59, 4717473535), (115, 2420269031), (295, 943494707), (1357, 205107545), (2207, 126112795), (6785, 41021509), (11035, 25222559), (18587, 14974495), (50761, 5483165), (92935, 2994899), (130213, 2137505), (253805, 1096633), (427501, 651065)]