7889969488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{204361}}^1$

素因数の和:204515

約数の個数: 40

約数和(自身を含む): 16218168320

約数和(自身を除く): 8328198832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 127, 152, 254, 304, 508, 1016, 2032, 2413, 4826, 9652, 19304, 38608, 204361, 408722, 817444, 1634888, 3269776, 3882859, 7765718, 15531436, 25953847, 31062872, 51907694, 62125744, 103815388, 207630776, 415261552, 493123093, 986246186, 1972492372, 3944984744, 7889969488]

約数ペア:

[(1, 7889969488), (2, 3944984744), (4, 1972492372), (8, 986246186), (16, 493123093), (19, 415261552), (38, 207630776), (76, 103815388), (127, 62125744), (152, 51907694), (254, 31062872), (304, 25953847), (508, 15531436), (1016, 7765718), (2032, 3882859), (2413, 3269776), (4826, 1634888), (9652, 817444), (19304, 408722), (38608, 204361)]