212880978

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{181}}^2$

素因数の和:408

約数の個数: 54

約数和(自身を含む): 489500037

約数和(自身を除く): 276619059

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 181, 342, 361, 362, 543, 722, 1083, 1086, 1629, 2166, 3249, 3258, 3439, 6498, 6878, 10317, 20634, 30951, 32761, 61902, 65341, 65522, 98283, 130682, 196023, 196566, 294849, 392046, 588069, 589698, 622459, 1176138, 1244918, 1867377, 3734754, 5602131, 11204262, 11826721, 23653442, 35480163, 70960326, 106440489, 212880978]

約数ペア:

[(1, 212880978), (2, 106440489), (3, 70960326), (6, 35480163), (9, 23653442), (18, 11826721), (19, 11204262), (38, 5602131), (57, 3734754), (114, 1867377), (171, 1244918), (181, 1176138), (342, 622459), (361, 589698), (362, 588069), (543, 392046), (722, 294849), (1083, 196566), (1086, 196023), (1629, 130682), (2166, 98283), (3249, 65522), (3258, 65341), (3439, 61902), (6498, 32761), (6878, 30951), (10317, 20634)]