71748464

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{32261}}^1$

素因数の和:32408

約数の個数: 20

約数和(自身を含む): 140017080

約数和(自身を除く): 68268616

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 32261, 64522, 129044, 258088, 516176, 4484279, 8968558, 17937116, 35874232, 71748464]

約数ペア:

[(1, 71748464), (2, 35874232), (4, 17937116), (8, 8968558), (16, 4484279), (139, 516176), (278, 258088), (556, 129044), (1112, 64522), (2224, 32261)]