123835985

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 189604800

約数和(自身を除く): 65768815

約数列:

[1, 5, 7, 13, 35, 49, 59, 65, 91, 245, 295, 413, 455, 637, 659, 767, 2065, 2891, 3185, 3295, 3835, 4613, 5369, 8567, 14455, 23065, 26845, 32291, 37583, 38881, 42835, 59969, 161455, 187915, 194405, 272167, 299845, 419783, 505453, 1360835, 1905169, 2098915, 2527265, 3538171, 9525845, 17690855, 24767197, 123835985]

約数ペア:

[(1, 123835985), (5, 24767197), (7, 17690855), (13, 9525845), (35, 3538171), (49, 2527265), (59, 2098915), (65, 1905169), (91, 1360835), (245, 505453), (295, 419783), (413, 299845), (455, 272167), (637, 194405), (659, 187915), (767, 161455), (2065, 59969), (2891, 42835), (3185, 38881), (3295, 37583), (3835, 32291), (4613, 26845), (5369, 23065), (8567, 14455)]