138907664

素因数分解:

$2^4\times 7^1\times {\mathrm{1240247}}^1$

素因数の和:1240262

約数の個数: 20

約数和(自身を含む): 307581504

約数和(自身を除く): 168673840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1240247, 2480494, 4960988, 8681729, 9921976, 17363458, 19843952, 34726916, 69453832, 138907664]

約数ペア:

[(1, 138907664), (2, 69453832), (4, 34726916), (7, 19843952), (8, 17363458), (14, 9921976), (16, 8681729), (28, 4960988), (56, 2480494), (112, 1240247)]