261488892

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{1109}}^1$

素因数の和:1531

約数の個数: 72

約数和(自身を含む): 712167120

約数和(自身を除く): 450678228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 401, 588, 802, 1109, 1203, 1604, 2218, 2406, 2807, 3327, 4436, 4812, 5614, 6654, 7763, 8421, 11228, 13308, 15526, 16842, 19649, 23289, 31052, 33684, 39298, 46578, 54341, 58947, 78596, 93156, 108682, 117894, 163023, 217364, 235788, 326046, 444709, 652092, 889418, 1334127, 1778836, 2668254, 3112963, 5336508, 6225926, 9338889, 12451852, 18677778, 21790741, 37355556, 43581482, 65372223, 87162964, 130744446, 261488892]

約数ペア:

[(1, 261488892), (2, 130744446), (3, 87162964), (4, 65372223), (6, 43581482), (7, 37355556), (12, 21790741), (14, 18677778), (21, 12451852), (28, 9338889), (42, 6225926), (49, 5336508), (84, 3112963), (98, 2668254), (147, 1778836), (196, 1334127), (294, 889418), (401, 652092), (588, 444709), (802, 326046), (1109, 235788), (1203, 217364), (1604, 163023), (2218, 117894), (2406, 108682), (2807, 93156), (3327, 78596), (4436, 58947), (4812, 54341), (5614, 46578), (6654, 39298), (7763, 33684), (8421, 31052), (11228, 23289), (13308, 19649), (15526, 16842)]