39640396

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:738

約数の個数: 36

約数和(自身を含む): 75197808

約数和(自身を除く): 35557412

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 289, 578, 647, 901, 1156, 1294, 1802, 2588, 3604, 10999, 15317, 21998, 30634, 34291, 43996, 61268, 68582, 137164, 186983, 373966, 582947, 747932, 1165894, 2331788, 9910099, 19820198, 39640396]

約数ペア:

[(1, 39640396), (2, 19820198), (4, 9910099), (17, 2331788), (34, 1165894), (53, 747932), (68, 582947), (106, 373966), (212, 186983), (289, 137164), (578, 68582), (647, 61268), (901, 43996), (1156, 34291), (1294, 30634), (1802, 21998), (2588, 15317), (3604, 10999)]