31086770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21739}}^1$

素因数の和:21770

約数の個数: 32

約数和(自身を含む): 65741760

約数和(自身を除く): 34654990

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21739, 43478, 108695, 217390, 239129, 282607, 478258, 565214, 1195645, 1413035, 2391290, 2826070, 3108677, 6217354, 15543385, 31086770]

約数ペア:

[(1, 31086770), (2, 15543385), (5, 6217354), (10, 3108677), (11, 2826070), (13, 2391290), (22, 1413035), (26, 1195645), (55, 565214), (65, 478258), (110, 282607), (130, 239129), (143, 217390), (286, 108695), (715, 43478), (1430, 21739)]