168406812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1187}}^1$

素因数の和:1767

約数の個数: 72

約数和(自身を含む): 487783296

約数和(自身を除く): 319376484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 563, 1126, 1187, 1689, 2252, 2374, 3378, 3561, 3941, 4748, 5067, 6756, 7122, 7882, 8309, 10134, 10683, 11823, 14244, 15764, 16618, 20268, 21366, 23646, 24927, 33236, 35469, 42732, 47292, 49854, 70938, 74781, 99708, 141876, 149562, 299124, 668281, 1336562, 2004843, 2673124, 4009686, 4677967, 6014529, 8019372, 9355934, 12029058, 14033901, 18711868, 24058116, 28067802, 42101703, 56135604, 84203406, 168406812]

約数ペア:

[(1, 168406812), (2, 84203406), (3, 56135604), (4, 42101703), (6, 28067802), (7, 24058116), (9, 18711868), (12, 14033901), (14, 12029058), (18, 9355934), (21, 8019372), (28, 6014529), (36, 4677967), (42, 4009686), (63, 2673124), (84, 2004843), (126, 1336562), (252, 668281), (563, 299124), (1126, 149562), (1187, 141876), (1689, 99708), (2252, 74781), (2374, 70938), (3378, 49854), (3561, 47292), (3941, 42732), (4748, 35469), (5067, 33236), (6756, 24927), (7122, 23646), (7882, 21366), (8309, 20268), (10134, 16618), (10683, 15764), (11823, 14244)]