2151542015

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157219}}^1$

素因数の和:157271

約数の個数: 32

約数和(自身を含む): 3260113920

約数和(自身を除く): 1108571905

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 13685, 157219, 786095, 1100533, 2672723, 3616037, 5502665, 13363615, 18080185, 18709061, 25312259, 61472629, 93545305, 126561295, 307363145, 430308403, 2151542015]

約数ペア:

[(1, 2151542015), (5, 430308403), (7, 307363145), (17, 126561295), (23, 93545305), (35, 61472629), (85, 25312259), (115, 18709061), (119, 18080185), (161, 13363615), (391, 5502665), (595, 3616037), (805, 2672723), (1955, 1100533), (2737, 786095), (13685, 157219)]