128349756

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 332666880

約数和(自身を除く): 204317124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 127, 134, 201, 254, 268, 381, 402, 419, 508, 603, 762, 804, 838, 1143, 1206, 1257, 1524, 1676, 2286, 2412, 2514, 3771, 4572, 5028, 7542, 8509, 15084, 17018, 25527, 28073, 34036, 51054, 53213, 56146, 76581, 84219, 102108, 106426, 112292, 153162, 159639, 168438, 212852, 252657, 306324, 319278, 336876, 478917, 505314, 638556, 957834, 1010628, 1915668, 3565271, 7130542, 10695813, 14261084, 21391626, 32087439, 42783252, 64174878, 128349756]

約数ペア:

[(1, 128349756), (2, 64174878), (3, 42783252), (4, 32087439), (6, 21391626), (9, 14261084), (12, 10695813), (18, 7130542), (36, 3565271), (67, 1915668), (127, 1010628), (134, 957834), (201, 638556), (254, 505314), (268, 478917), (381, 336876), (402, 319278), (419, 306324), (508, 252657), (603, 212852), (762, 168438), (804, 159639), (838, 153162), (1143, 112292), (1206, 106426), (1257, 102108), (1524, 84219), (1676, 76581), (2286, 56146), (2412, 53213), (2514, 51054), (3771, 34036), (4572, 28073), (5028, 25527), (7542, 17018), (8509, 15084)]