128723176

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{13883}}^1$

素因数の和:13969

約数の個数: 32

約数和(自身を含む): 258242400

約数和(自身を除く): 129519224

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 9272, 13883, 27766, 55532, 111064, 263777, 527554, 846863, 1055108, 1693726, 2110216, 3387452, 6774904, 16090397, 32180794, 64361588, 128723176]

約数ペア:

[(1, 128723176), (2, 64361588), (4, 32180794), (8, 16090397), (19, 6774904), (38, 3387452), (61, 2110216), (76, 1693726), (122, 1055108), (152, 846863), (244, 527554), (488, 263777), (1159, 111064), (2318, 55532), (4636, 27766), (9272, 13883)]