28416430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405949}}^1$

素因数の和:405963

約数の個数: 16

約数和(自身を含む): 58456800

約数和(自身を除く): 30040370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405949, 811898, 2029745, 2841643, 4059490, 5683286, 14208215, 28416430]

約数ペア:

[(1, 28416430), (2, 14208215), (5, 5683286), (7, 4059490), (10, 2841643), (14, 2029745), (35, 811898), (70, 405949)]