489781747

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4337}}^1$

素因数の和:4447

約数の個数: 32

約数和(自身を含む): 647160192

約数和(自身を除く): 157378445

約数列:

[1, 7, 13, 17, 73, 91, 119, 221, 511, 949, 1241, 1547, 4337, 6643, 8687, 16133, 30359, 56381, 73729, 112931, 316601, 394667, 516103, 958477, 2216207, 4115813, 5382217, 6709339, 28810691, 37675519, 69968821, 489781747]

約数ペア:

[(1, 489781747), (7, 69968821), (13, 37675519), (17, 28810691), (73, 6709339), (91, 5382217), (119, 4115813), (221, 2216207), (511, 958477), (949, 516103), (1241, 394667), (1547, 316601), (4337, 112931), (6643, 73729), (8687, 56381), (16133, 30359)]