81291002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 137047680

約数和(自身を除く): 55756678

約数列:

[1, 2, 13, 26, 29, 58, 131, 262, 377, 754, 823, 1646, 1703, 3406, 3799, 7598, 10699, 21398, 23867, 47734, 49387, 98774, 107813, 215626, 310271, 620542, 1401569, 2803138, 3126577, 6253154, 40645501, 81291002]

約数ペア:

[(1, 81291002), (2, 40645501), (13, 6253154), (26, 3126577), (29, 2803138), (58, 1401569), (131, 620542), (262, 310271), (377, 215626), (754, 107813), (823, 98774), (1646, 49387), (1703, 47734), (3406, 23867), (3799, 21398), (7598, 10699)]