81873978

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{1171}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 168317952

約数和(自身を除く): 86443974

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 271, 542, 813, 1171, 1626, 2342, 3513, 7026, 11653, 23306, 34959, 50353, 69918, 100706, 151059, 302118, 317341, 634682, 952023, 1904046, 13645663, 27291326, 40936989, 81873978]

約数ペア:

[(1, 81873978), (2, 40936989), (3, 27291326), (6, 13645663), (43, 1904046), (86, 952023), (129, 634682), (258, 317341), (271, 302118), (542, 151059), (813, 100706), (1171, 69918), (1626, 50353), (2342, 34959), (3513, 23306), (7026, 11653)]