206523877

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 265939200

約数和(自身を除く): 59415323

約数列:

[1, 7, 23, 29, 49, 71, 89, 161, 203, 497, 623, 667, 1127, 1421, 1633, 2047, 2059, 2581, 3479, 4361, 4669, 6319, 11431, 14329, 14413, 18067, 32683, 44233, 47357, 59363, 80017, 100303, 100891, 126469, 145337, 183251, 309631, 331499, 415541, 1017359, 1282757, 2320493, 2908787, 4214773, 7121513, 8979299, 29503411, 206523877]

約数ペア:

[(1, 206523877), (7, 29503411), (23, 8979299), (29, 7121513), (49, 4214773), (71, 2908787), (89, 2320493), (161, 1282757), (203, 1017359), (497, 415541), (623, 331499), (667, 309631), (1127, 183251), (1421, 145337), (1633, 126469), (2047, 100891), (2059, 100303), (2581, 80017), (3479, 59363), (4361, 47357), (4669, 44233), (6319, 32683), (11431, 18067), (14329, 14413)]