256843672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{27701}}^1$

素因数の和:27787

約数の個数: 32

約数和(自身を含む): 515257200

約数和(自身を除く): 258413528

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 9272, 27701, 55402, 110804, 221608, 526319, 1052638, 1689761, 2105276, 3379522, 4210552, 6759044, 13518088, 32105459, 64210918, 128421836, 256843672]

約数ペア:

[(1, 256843672), (2, 128421836), (4, 64210918), (8, 32105459), (19, 13518088), (38, 6759044), (61, 4210552), (76, 3379522), (122, 2105276), (152, 1689761), (244, 1052638), (488, 526319), (1159, 221608), (2318, 110804), (4636, 55402), (9272, 27701)]