81578628

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{119267}}^1$

素因数の和:119296

約数の個数: 36

約数和(自身を含む): 217067760

約数和(自身を除く): 135489132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 119267, 238534, 357801, 477068, 715602, 1073403, 1431204, 2146806, 2266073, 4293612, 4532146, 6798219, 9064292, 13596438, 20394657, 27192876, 40789314, 81578628]

約数ペア:

[(1, 81578628), (2, 40789314), (3, 27192876), (4, 20394657), (6, 13596438), (9, 9064292), (12, 6798219), (18, 4532146), (19, 4293612), (36, 2266073), (38, 2146806), (57, 1431204), (76, 1073403), (114, 715602), (171, 477068), (228, 357801), (342, 238534), (684, 119267)]