28338490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1873}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 54645840

約数和(自身を除く): 26307350

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 1873, 3026, 3746, 7565, 9365, 15130, 18730, 31841, 63682, 159205, 166697, 318410, 333394, 833485, 1666970, 2833849, 5667698, 14169245, 28338490]

約数ペア:

[(1, 28338490), (2, 14169245), (5, 5667698), (10, 2833849), (17, 1666970), (34, 833485), (85, 333394), (89, 318410), (170, 166697), (178, 159205), (445, 63682), (890, 31841), (1513, 18730), (1873, 15130), (3026, 9365), (3746, 7565)]