25641028

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2239}}^1$

素因数の和:2659

約数の個数: 24

約数和(自身を含む): 51430400

約数和(自身を除く): 25789372

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2239, 2863, 4478, 5726, 8956, 11452, 15673, 31346, 62692, 915751, 1831502, 3663004, 6410257, 12820514, 25641028]

約数ペア:

[(1, 25641028), (2, 12820514), (4, 6410257), (7, 3663004), (14, 1831502), (28, 915751), (409, 62692), (818, 31346), (1636, 15673), (2239, 11452), (2863, 8956), (4478, 5726)]