81135678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{35869}}^1$

素因数の和:35916

約数の個数: 32

約数和(自身を含む): 180784800

約数和(自身を除く): 99649122

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 35869, 71738, 107607, 215214, 466297, 932594, 1040201, 1398891, 2080402, 2797782, 3120603, 6241206, 13522613, 27045226, 40567839, 81135678]

約数ペア:

[(1, 81135678), (2, 40567839), (3, 27045226), (6, 13522613), (13, 6241206), (26, 3120603), (29, 2797782), (39, 2080402), (58, 1398891), (78, 1040201), (87, 932594), (174, 466297), (377, 215214), (754, 107607), (1131, 71738), (2262, 35869)]