263844

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{349}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 784000

約数和(自身を除く): 520156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 349, 378, 698, 756, 1047, 1396, 2094, 2443, 3141, 4188, 4886, 6282, 7329, 9423, 9772, 12564, 14658, 18846, 21987, 29316, 37692, 43974, 65961, 87948, 131922, 263844]

約数ペア:

[(1, 263844), (2, 131922), (3, 87948), (4, 65961), (6, 43974), (7, 37692), (9, 29316), (12, 21987), (14, 18846), (18, 14658), (21, 12564), (27, 9772), (28, 9423), (36, 7329), (42, 6282), (54, 4886), (63, 4188), (84, 3141), (108, 2443), (126, 2094), (189, 1396), (252, 1047), (349, 756), (378, 698)]