990678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{977}}^1$

素因数の和:1008

約数の個数: 24

約数和(自身を含む): 2147688

約数和(自身を除く): 1157010

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 977, 1014, 1954, 2931, 5862, 12701, 25402, 38103, 76206, 165113, 330226, 495339, 990678]

約数ペア:

[(1, 990678), (2, 495339), (3, 330226), (6, 165113), (13, 76206), (26, 38103), (39, 25402), (78, 12701), (169, 5862), (338, 2931), (507, 1954), (977, 1014)]