164537490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421891}}^1$

素因数の和:421914

約数の個数: 32

約数和(自身を含む): 425267136

約数和(自身を除く): 260729646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 421891, 843782, 1265673, 2109455, 2531346, 4218910, 5484583, 6328365, 10969166, 12656730, 16453749, 27422915, 32907498, 54845830, 82268745, 164537490]

約数ペア:

[(1, 164537490), (2, 82268745), (3, 54845830), (5, 32907498), (6, 27422915), (10, 16453749), (13, 12656730), (15, 10969166), (26, 6328365), (30, 5484583), (39, 4218910), (65, 2531346), (78, 2109455), (130, 1265673), (195, 843782), (390, 421891)]