81255376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{298733}}^1$

素因数の和:298758

約数の個数: 20

約数和(自身を含む): 166693572

約数和(自身を除く): 85438196

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 298733, 597466, 1194932, 2389864, 4779728, 5078461, 10156922, 20313844, 40627688, 81255376]

約数ペア:

[(1, 81255376), (2, 40627688), (4, 20313844), (8, 10156922), (16, 5078461), (17, 4779728), (34, 2389864), (68, 1194932), (136, 597466), (272, 298733)]