28090630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{443}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 53802144

約数和(自身を除く): 25711514

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 373, 443, 746, 886, 1865, 2215, 3730, 4430, 6341, 7531, 12682, 15062, 31705, 37655, 63410, 75310, 165239, 330478, 826195, 1652390, 2809063, 5618126, 14045315, 28090630]

約数ペア:

[(1, 28090630), (2, 14045315), (5, 5618126), (10, 2809063), (17, 1652390), (34, 826195), (85, 330478), (170, 165239), (373, 75310), (443, 63410), (746, 37655), (886, 31705), (1865, 15062), (2215, 12682), (3730, 7531), (4430, 6341)]