2912249991

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 4770275328

約数和(自身を除く): 1858025337

約数列:

[1, 3, 7, 17, 21, 51, 119, 157, 223, 233, 357, 471, 669, 699, 1099, 1561, 1631, 2669, 3297, 3791, 3961, 4683, 4893, 8007, 11373, 11883, 18683, 26537, 27727, 35011, 36581, 51959, 56049, 79611, 83181, 105033, 109743, 155877, 245077, 256067, 363713, 595187, 621877, 735231, 768201, 883303, 1091139, 1785561, 1865631, 2649909, 4166309, 4353139, 6183121, 8157563, 12498927, 13059417, 18549363, 24472689, 57102941, 138678571, 171308823, 416035713, 970749997, 2912249991]

約数ペア:

[(1, 2912249991), (3, 970749997), (7, 416035713), (17, 171308823), (21, 138678571), (51, 57102941), (119, 24472689), (157, 18549363), (223, 13059417), (233, 12498927), (357, 8157563), (471, 6183121), (669, 4353139), (699, 4166309), (1099, 2649909), (1561, 1865631), (1631, 1785561), (2669, 1091139), (3297, 883303), (3791, 768201), (3961, 735231), (4683, 621877), (4893, 595187), (8007, 363713), (11373, 256067), (11883, 245077), (18683, 155877), (26537, 109743), (27727, 105033), (35011, 83181), (36581, 79611), (51959, 56049)]