485702984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{76561}}^1$

素因数の和:76641

約数の個数: 32

約数和(自身を含む): 996837240

約数和(自身を除く): 511134256

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 76561, 153122, 306244, 612488, 995293, 1990586, 3981172, 4670221, 7962344, 9340442, 18680884, 37361768, 60712873, 121425746, 242851492, 485702984]

約数ペア:

[(1, 485702984), (2, 242851492), (4, 121425746), (8, 60712873), (13, 37361768), (26, 18680884), (52, 9340442), (61, 7962344), (104, 4670221), (122, 3981172), (244, 1990586), (488, 995293), (793, 612488), (1586, 306244), (3172, 153122), (6344, 76561)]