217949228

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{821}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 460320000

約数和(自身を除く): 242370772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 499, 532, 821, 998, 1642, 1996, 3284, 3493, 5747, 6986, 9481, 11494, 13972, 15599, 18962, 22988, 31198, 37924, 62396, 66367, 109193, 132734, 218386, 265468, 409679, 436772, 819358, 1638716, 2867753, 5735506, 7783901, 11471012, 15567802, 31135604, 54487307, 108974614, 217949228]

約数ペア:

[(1, 217949228), (2, 108974614), (4, 54487307), (7, 31135604), (14, 15567802), (19, 11471012), (28, 7783901), (38, 5735506), (76, 2867753), (133, 1638716), (266, 819358), (499, 436772), (532, 409679), (821, 265468), (998, 218386), (1642, 132734), (1996, 109193), (3284, 66367), (3493, 62396), (5747, 37924), (6986, 31198), (9481, 22988), (11494, 18962), (13972, 15599)]