28009770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21713}}^1$

素因数の和:21766

約数の個数: 32

約数和(自身を含む): 68789952

約数和(自身を除く): 40780182

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 21713, 43426, 65139, 108565, 130278, 217130, 325695, 651390, 933659, 1867318, 2800977, 4668295, 5601954, 9336590, 14004885, 28009770]

約数ペア:

[(1, 28009770), (2, 14004885), (3, 9336590), (5, 5601954), (6, 4668295), (10, 2800977), (15, 1867318), (30, 933659), (43, 651390), (86, 325695), (129, 217130), (215, 130278), (258, 108565), (430, 65139), (645, 43426), (1290, 21713)]