77421448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 163134720

約数和(自身を除く): 85713272

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 67, 82, 104, 134, 164, 268, 271, 328, 533, 536, 542, 871, 1066, 1084, 1742, 2132, 2168, 2747, 3484, 3523, 4264, 5494, 6968, 7046, 10988, 11111, 14092, 18157, 21976, 22222, 28184, 35711, 36314, 44444, 71422, 72628, 88888, 142844, 144443, 145256, 236041, 285688, 288886, 472082, 577772, 744437, 944164, 1155544, 1488874, 1888328, 2977748, 5955496, 9677681, 19355362, 38710724, 77421448]

約数ペア:

[(1, 77421448), (2, 38710724), (4, 19355362), (8, 9677681), (13, 5955496), (26, 2977748), (41, 1888328), (52, 1488874), (67, 1155544), (82, 944164), (104, 744437), (134, 577772), (164, 472082), (268, 288886), (271, 285688), (328, 236041), (533, 145256), (536, 144443), (542, 142844), (871, 88888), (1066, 72628), (1084, 71422), (1742, 44444), (2132, 36314), (2168, 35711), (2747, 28184), (3484, 22222), (3523, 21976), (4264, 18157), (5494, 14092), (6968, 11111), (7046, 10988)]