123868276

素因数分解:

$2^2\times 7^3\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 255024000

約数和(自身を除く): 131155724

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 343, 548, 659, 686, 959, 1318, 1372, 1918, 2636, 3836, 4613, 6713, 9226, 13426, 18452, 26852, 32291, 46991, 64582, 90283, 93982, 129164, 180566, 187964, 226037, 361132, 452074, 631981, 904148, 1263962, 2527924, 4423867, 8847734, 17695468, 30967069, 61934138, 123868276]

約数ペア:

[(1, 123868276), (2, 61934138), (4, 30967069), (7, 17695468), (14, 8847734), (28, 4423867), (49, 2527924), (98, 1263962), (137, 904148), (196, 631981), (274, 452074), (343, 361132), (548, 226037), (659, 187964), (686, 180566), (959, 129164), (1318, 93982), (1372, 90283), (1918, 64582), (2636, 46991), (3836, 32291), (4613, 26852), (6713, 18452), (9226, 13426)]