258640508

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{593}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 533421504

約数和(自身を除く): 274780996

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 421, 518, 593, 842, 1036, 1186, 1684, 2372, 2947, 4151, 5894, 8302, 11788, 15577, 16604, 21941, 31154, 43882, 62308, 87764, 109039, 153587, 218078, 249653, 307174, 436156, 499306, 614348, 998612, 1747571, 3495142, 6990284, 9237161, 18474322, 36948644, 64660127, 129320254, 258640508]

約数ペア:

[(1, 258640508), (2, 129320254), (4, 64660127), (7, 36948644), (14, 18474322), (28, 9237161), (37, 6990284), (74, 3495142), (148, 1747571), (259, 998612), (421, 614348), (518, 499306), (593, 436156), (842, 307174), (1036, 249653), (1186, 218078), (1684, 153587), (2372, 109039), (2947, 87764), (4151, 62308), (5894, 43882), (8302, 31154), (11788, 21941), (15577, 16604)]