664778868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{4637}}^1$

素因数の和:5576

約数の個数: 48

約数和(自身を含む): 1672648320

約数和(自身を除く): 1007869452

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 919, 1838, 2757, 3676, 4637, 5514, 9274, 11028, 11947, 13911, 18548, 23894, 27822, 35841, 47788, 55644, 60281, 71682, 120562, 143364, 180843, 241124, 361686, 723372, 4261403, 8522806, 12784209, 17045612, 25568418, 51136836, 55398239, 110796478, 166194717, 221592956, 332389434, 664778868]

約数ペア:

[(1, 664778868), (2, 332389434), (3, 221592956), (4, 166194717), (6, 110796478), (12, 55398239), (13, 51136836), (26, 25568418), (39, 17045612), (52, 12784209), (78, 8522806), (156, 4261403), (919, 723372), (1838, 361686), (2757, 241124), (3676, 180843), (4637, 143364), (5514, 120562), (9274, 71682), (11028, 60281), (11947, 55644), (13911, 47788), (18548, 35841), (23894, 27822)]