81712722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1373}}^1$

素因数の和:1507

約数の個数: 64

約数和(自身を含む): 203132160

約数和(自身を除く): 121419438

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 109, 182, 218, 273, 327, 546, 654, 763, 1373, 1417, 1526, 2289, 2746, 2834, 4119, 4251, 4578, 8238, 8502, 9611, 9919, 17849, 19222, 19838, 28833, 29757, 35698, 53547, 57666, 59514, 107094, 124943, 149657, 249886, 299314, 374829, 448971, 749658, 897942, 1047599, 1945541, 2095198, 3142797, 3891082, 5836623, 6285594, 11673246, 13618787, 27237574, 40856361, 81712722]

約数ペア:

[(1, 81712722), (2, 40856361), (3, 27237574), (6, 13618787), (7, 11673246), (13, 6285594), (14, 5836623), (21, 3891082), (26, 3142797), (39, 2095198), (42, 1945541), (78, 1047599), (91, 897942), (109, 749658), (182, 448971), (218, 374829), (273, 299314), (327, 249886), (546, 149657), (654, 124943), (763, 107094), (1373, 59514), (1417, 57666), (1526, 53547), (2289, 35698), (2746, 29757), (2834, 28833), (4119, 19838), (4251, 19222), (4578, 17849), (8238, 9919), (8502, 9611)]