28133990

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 52176960

約数和(自身を除く): 24042970

約数列:

[1, 2, 5, 10, 53, 106, 109, 218, 265, 487, 530, 545, 974, 1090, 2435, 4870, 5777, 11554, 25811, 28885, 51622, 53083, 57770, 106166, 129055, 258110, 265415, 530830, 2813399, 5626798, 14066995, 28133990]

約数ペア:

[(1, 28133990), (2, 14066995), (5, 5626798), (10, 2813399), (53, 530830), (106, 265415), (109, 258110), (218, 129055), (265, 106166), (487, 57770), (530, 53083), (545, 51622), (974, 28885), (1090, 25811), (2435, 11554), (4870, 5777)]