28181036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 28972564

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 71, 142, 221, 284, 442, 449, 884, 898, 923, 1207, 1796, 1846, 2414, 3692, 4828, 5837, 7633, 11674, 15266, 15691, 23348, 30532, 31382, 31879, 62764, 63758, 99229, 127516, 198458, 396916, 414427, 541943, 828854, 1083886, 1657708, 2167772, 7045259, 14090518, 28181036]

約数ペア:

[(1, 28181036), (2, 14090518), (4, 7045259), (13, 2167772), (17, 1657708), (26, 1083886), (34, 828854), (52, 541943), (68, 414427), (71, 396916), (142, 198458), (221, 127516), (284, 99229), (442, 63758), (449, 62764), (884, 31879), (898, 31382), (923, 30532), (1207, 23348), (1796, 15691), (1846, 15266), (2414, 11674), (3692, 7633), (4828, 5837)]