9950878090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:1243

約数の個数: 64

約数和(自身を含む): 19119496608

約数和(自身を除く): 9168618518

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 421, 514, 541, 842, 1082, 1285, 2105, 2570, 2705, 4210, 4369, 5410, 7157, 8738, 9197, 14314, 18394, 21845, 35785, 43690, 45985, 71570, 91970, 108197, 139037, 216394, 227761, 278074, 455522, 540985, 695185, 1081970, 1138805, 1390370, 1839349, 2277610, 2363629, 3678698, 3871937, 4727258, 7743874, 9196745, 11818145, 18393490, 19359685, 23636290, 38719370, 58534577, 117069154, 292672885, 585345770, 995087809, 1990175618, 4975439045, 9950878090]

約数ペア:

[(1, 9950878090), (2, 4975439045), (5, 1990175618), (10, 995087809), (17, 585345770), (34, 292672885), (85, 117069154), (170, 58534577), (257, 38719370), (421, 23636290), (514, 19359685), (541, 18393490), (842, 11818145), (1082, 9196745), (1285, 7743874), (2105, 4727258), (2570, 3871937), (2705, 3678698), (4210, 2363629), (4369, 2277610), (5410, 1839349), (7157, 1390370), (8738, 1138805), (9197, 1081970), (14314, 695185), (18394, 540985), (21845, 455522), (35785, 278074), (43690, 227761), (45985, 216394), (71570, 139037), (91970, 108197)]