28638376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 58048200

約数和(自身を除く): 29409824

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 509, 541, 1018, 1082, 2036, 2164, 4072, 4328, 6617, 7033, 13234, 14066, 26468, 28132, 52936, 56264, 275369, 550738, 1101476, 2202952, 3579797, 7159594, 14319188, 28638376]

約数ペア:

[(1, 28638376), (2, 14319188), (4, 7159594), (8, 3579797), (13, 2202952), (26, 1101476), (52, 550738), (104, 275369), (509, 56264), (541, 52936), (1018, 28132), (1082, 26468), (2036, 14066), (2164, 13234), (4072, 7033), (4328, 6617)]