819117086975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2389}}^1\times {\mathrm{14009}}^1$

素因数の和:16508

約数の個数: 48

約数和(自身を含む): 1121040972000

約数和(自身を除く): 301923885025

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 979, 2225, 2389, 4895, 11945, 14009, 24475, 26279, 59725, 70045, 131395, 154099, 212621, 350225, 656975, 770495, 1063105, 1246801, 2338831, 3852475, 5315525, 6234005, 11694155, 13714811, 31170025, 33467501, 58470775, 68574055, 167337505, 342870275, 368142511, 836687525, 1840712555, 2978607589, 9203562775, 14893037945, 32764683479, 74465189725, 163823417395, 819117086975]

約数ペア:

[(1, 819117086975), (5, 163823417395), (11, 74465189725), (25, 32764683479), (55, 14893037945), (89, 9203562775), (275, 2978607589), (445, 1840712555), (979, 836687525), (2225, 368142511), (2389, 342870275), (4895, 167337505), (11945, 68574055), (14009, 58470775), (24475, 33467501), (26279, 31170025), (59725, 13714811), (70045, 11694155), (131395, 6234005), (154099, 5315525), (212621, 3852475), (350225, 2338831), (656975, 1246801), (770495, 1063105)]