71389456

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{56479}}^1$

素因数の和:56566

約数の個数: 20

約数和(自身を含む): 140070400

約数和(自身を除く): 68680944

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 56479, 112958, 225916, 451832, 903664, 4461841, 8923682, 17847364, 35694728, 71389456]

約数ペア:

[(1, 71389456), (2, 35694728), (4, 17847364), (8, 8923682), (16, 4461841), (79, 903664), (158, 451832), (316, 225916), (632, 112958), (1264, 56479)]