81001214

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 147374640

約数和(自身を除く): 66373426

約数列:

[1, 2, 7, 14, 37, 49, 74, 89, 98, 178, 251, 259, 502, 518, 623, 1246, 1757, 1813, 3293, 3514, 3626, 4361, 6586, 8722, 9287, 12299, 18574, 22339, 23051, 24598, 44678, 46102, 65009, 130018, 156373, 161357, 312746, 322714, 455063, 826543, 910126, 1094611, 1653086, 2189222, 5785801, 11571602, 40500607, 81001214]

約数ペア:

[(1, 81001214), (2, 40500607), (7, 11571602), (14, 5785801), (37, 2189222), (49, 1653086), (74, 1094611), (89, 910126), (98, 826543), (178, 455063), (251, 322714), (259, 312746), (502, 161357), (518, 156373), (623, 130018), (1246, 65009), (1757, 46102), (1813, 44678), (3293, 24598), (3514, 23051), (3626, 22339), (4361, 18574), (6586, 12299), (8722, 9287)]