329781608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{7753}}^1$

素因数の和:8181

約数の個数: 32

約数和(自身を含む): 667619400

約数和(自身を除く): 337837792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 818, 1636, 3272, 5317, 7753, 10634, 15506, 21268, 31012, 42536, 62024, 100789, 201578, 403156, 806312, 3170977, 6341954, 12683908, 25367816, 41222701, 82445402, 164890804, 329781608]

約数ペア:

[(1, 329781608), (2, 164890804), (4, 82445402), (8, 41222701), (13, 25367816), (26, 12683908), (52, 6341954), (104, 3170977), (409, 806312), (818, 403156), (1636, 201578), (3272, 100789), (5317, 62024), (7753, 42536), (10634, 31012), (15506, 21268)]