81017938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2074

約数の個数: 32

約数和(自身を含む): 135979200

約数和(自身を除く): 54961262

約数列:

[1, 2, 19, 29, 37, 38, 58, 74, 551, 703, 1073, 1102, 1406, 1987, 2146, 3974, 20387, 37753, 40774, 57623, 73519, 75506, 115246, 147038, 1094837, 1396861, 2132051, 2189674, 2793722, 4264102, 40508969, 81017938]

約数ペア:

[(1, 81017938), (2, 40508969), (19, 4264102), (29, 2793722), (37, 2189674), (38, 2132051), (58, 1396861), (74, 1094837), (551, 147038), (703, 115246), (1073, 75506), (1102, 73519), (1406, 57623), (1987, 40774), (2146, 37753), (3974, 20387)]