212780015

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{264323}}^1$

素因数の和:264358

約数の個数: 16

約数和(自身を含む): 304501248

約数和(自身を除く): 91721233

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 264323, 1321615, 1850261, 6079429, 9251305, 30397145, 42556003, 212780015]

約数ペア:

[(1, 212780015), (5, 42556003), (7, 30397145), (23, 9251305), (35, 6079429), (115, 1850261), (161, 1321615), (805, 264323)]