64872558

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2207}}^1$

素因数の和:2309

約数の個数: 48

約数和(自身を含む): 148801536

約数和(自身を除く): 83928978

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 639, 1278, 1633, 2207, 3266, 4414, 4899, 6621, 9798, 13242, 14697, 19863, 29394, 39726, 50761, 101522, 152283, 156697, 304566, 313394, 456849, 470091, 913698, 940182, 1410273, 2820546, 3604031, 7208062, 10812093, 21624186, 32436279, 64872558]

約数ペア:

[(1, 64872558), (2, 32436279), (3, 21624186), (6, 10812093), (9, 7208062), (18, 3604031), (23, 2820546), (46, 1410273), (69, 940182), (71, 913698), (138, 470091), (142, 456849), (207, 313394), (213, 304566), (414, 156697), (426, 152283), (639, 101522), (1278, 50761), (1633, 39726), (2207, 29394), (3266, 19863), (4414, 14697), (4899, 13242), (6621, 9798)]