31880786

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{13163}}^1$

素因数の和:13345

約数の個数: 16

約数和(自身を含む): 54972864

約数和(自身を除く): 23092078

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 13163, 26326, 92141, 184282, 2277199, 4554398, 15940393, 31880786]

約数ペア:

[(1, 31880786), (2, 15940393), (7, 4554398), (14, 2277199), (173, 184282), (346, 92141), (1211, 26326), (2422, 13163)]