211990612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 407650320

約数和(自身を除く): 195659708

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 109, 148, 218, 436, 629, 773, 1258, 1546, 1853, 2516, 3092, 3706, 4033, 7412, 8066, 13141, 16132, 26282, 28601, 52564, 57202, 68561, 84257, 114404, 137122, 168514, 274244, 337028, 486217, 972434, 1432369, 1944868, 2864738, 3117509, 5729476, 6235018, 12470036, 52997653, 105995306, 211990612]

約数ペア:

[(1, 211990612), (2, 105995306), (4, 52997653), (17, 12470036), (34, 6235018), (37, 5729476), (68, 3117509), (74, 2864738), (109, 1944868), (148, 1432369), (218, 972434), (436, 486217), (629, 337028), (773, 274244), (1258, 168514), (1546, 137122), (1853, 114404), (2516, 84257), (3092, 68561), (3706, 57202), (4033, 52564), (7412, 28601), (8066, 26282), (13141, 16132)]