621331984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{426739}}^1$

素因数の和:426767

約数の個数: 40

約数和(自身を含む): 1481641280

約数和(自身を除く): 860309296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 426739, 853478, 1706956, 2987173, 3413912, 5547607, 5974346, 6827824, 11095214, 11948692, 22190428, 23897384, 38833249, 44380856, 47794768, 77666498, 88761712, 155332996, 310665992, 621331984]

約数ペア:

[(1, 621331984), (2, 310665992), (4, 155332996), (7, 88761712), (8, 77666498), (13, 47794768), (14, 44380856), (16, 38833249), (26, 23897384), (28, 22190428), (52, 11948692), (56, 11095214), (91, 6827824), (104, 5974346), (112, 5547607), (182, 3413912), (208, 2987173), (364, 1706956), (728, 853478), (1456, 426739)]