212742586

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 390094848

約数和(自身を除く): 177352262

約数列:

[1, 2, 7, 14, 43, 47, 73, 86, 94, 103, 146, 206, 301, 329, 511, 602, 658, 721, 1022, 1442, 2021, 3139, 3431, 4042, 4429, 4841, 6278, 6862, 7519, 8858, 9682, 14147, 15038, 21973, 24017, 28294, 31003, 33887, 43946, 48034, 52633, 62006, 67774, 105266, 147533, 208163, 295066, 323317, 353393, 416326, 646634, 706786, 1032731, 1457141, 2065462, 2263219, 2473751, 2914282, 4526438, 4947502, 15195899, 30391798, 106371293, 212742586]

約数ペア:

[(1, 212742586), (2, 106371293), (7, 30391798), (14, 15195899), (43, 4947502), (47, 4526438), (73, 2914282), (86, 2473751), (94, 2263219), (103, 2065462), (146, 1457141), (206, 1032731), (301, 706786), (329, 646634), (511, 416326), (602, 353393), (658, 323317), (721, 295066), (1022, 208163), (1442, 147533), (2021, 105266), (3139, 67774), (3431, 62006), (4042, 52633), (4429, 48034), (4841, 43946), (6278, 33887), (6862, 31003), (7519, 28294), (8858, 24017), (9682, 21973), (14147, 15038)]