71828854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 116812800

約数和(自身を除く): 44983946

約数列:

[1, 2, 19, 38, 71, 79, 142, 158, 337, 674, 1349, 1501, 2698, 3002, 5609, 6403, 11218, 12806, 23927, 26623, 47854, 53246, 106571, 213142, 454613, 505837, 909226, 1011674, 1890233, 3780466, 35914427, 71828854]

約数ペア:

[(1, 71828854), (2, 35914427), (19, 3780466), (38, 1890233), (71, 1011674), (79, 909226), (142, 505837), (158, 454613), (337, 213142), (674, 106571), (1349, 53246), (1501, 47854), (2698, 26623), (3002, 23927), (5609, 12806), (6403, 11218)]