1280946268

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{3571}}^1$

素因数の和:4162

約数の個数: 48

約数和(自身を含む): 2678828544

約数和(自身を除く): 1397882276

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 557, 644, 1114, 2228, 3571, 3899, 7142, 7798, 12811, 14284, 15596, 24997, 25622, 49994, 51244, 82133, 89677, 99988, 164266, 179354, 328532, 358708, 574931, 1149862, 1989047, 2299724, 3978094, 7956188, 13923329, 27846658, 45748081, 55693316, 91496162, 182992324, 320236567, 640473134, 1280946268]

約数ペア:

[(1, 1280946268), (2, 640473134), (4, 320236567), (7, 182992324), (14, 91496162), (23, 55693316), (28, 45748081), (46, 27846658), (92, 13923329), (161, 7956188), (322, 3978094), (557, 2299724), (644, 1989047), (1114, 1149862), (2228, 574931), (3571, 358708), (3899, 328532), (7142, 179354), (7798, 164266), (12811, 99988), (14284, 89677), (15596, 82133), (24997, 51244), (25622, 49994)]