209211538175

素因数分解:

$5^2\times {\mathrm{383}}^1\times {\mathrm{1213}}^1\times {\mathrm{18013}}^1$

素因数の和:19619

約数の個数: 24

約数和(自身を含む): 260328528384

約数和(自身を除く): 51116990209

約数列:

[1, 5, 25, 383, 1213, 1915, 6065, 9575, 18013, 30325, 90065, 450325, 464579, 2322895, 6898979, 11614475, 21849769, 34494895, 109248845, 172474475, 546244225, 8368461527, 41842307635, 209211538175]

約数ペア:

[(1, 209211538175), (5, 41842307635), (25, 8368461527), (383, 546244225), (1213, 172474475), (1915, 109248845), (6065, 34494895), (9575, 21849769), (18013, 11614475), (30325, 6898979), (90065, 2322895), (450325, 464579)]