779996

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 1582560

約数和(自身を除く): 802564

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 313, 356, 623, 626, 1246, 1252, 2191, 2492, 4382, 8764, 27857, 55714, 111428, 194999, 389998, 779996]

約数ペア:

[(1, 779996), (2, 389998), (4, 194999), (7, 111428), (14, 55714), (28, 27857), (89, 8764), (178, 4382), (313, 2492), (356, 2191), (623, 1252), (626, 1246)]