1640245542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{204163}}^1$

素因数の和:204284

約数の個数: 32

約数和(自身を含む): 3567153408

約数和(自身を除く): 1926907866

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 206, 309, 618, 1339, 2678, 4017, 8034, 204163, 408326, 612489, 1224978, 2654119, 5308238, 7962357, 15924714, 21028789, 42057578, 63086367, 126172734, 273374257, 546748514, 820122771, 1640245542]

約数ペア:

[(1, 1640245542), (2, 820122771), (3, 546748514), (6, 273374257), (13, 126172734), (26, 63086367), (39, 42057578), (78, 21028789), (103, 15924714), (206, 7962357), (309, 5308238), (618, 2654119), (1339, 1224978), (2678, 612489), (4017, 408326), (8034, 204163)]