78447448

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 149688000

約数和(自身を除く): 71240552

約数列:

[1, 2, 4, 8, 89, 178, 239, 356, 461, 478, 712, 922, 956, 1844, 1912, 3688, 21271, 41029, 42542, 82058, 85084, 110179, 164116, 170168, 220358, 328232, 440716, 881432, 9805931, 19611862, 39223724, 78447448]

約数ペア:

[(1, 78447448), (2, 39223724), (4, 19611862), (8, 9805931), (89, 881432), (178, 440716), (239, 328232), (356, 220358), (461, 170168), (478, 164116), (712, 110179), (922, 85084), (956, 82058), (1844, 42542), (1912, 41029), (3688, 21271)]