131521348

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{349}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 270793600

約数和(自身を除く): 139272252

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 313, 349, 602, 626, 698, 1204, 1252, 1396, 2191, 2443, 4382, 4886, 8764, 9772, 13459, 15007, 26918, 30014, 53836, 60028, 94213, 105049, 109237, 188426, 210098, 218474, 376852, 420196, 436948, 764659, 1529318, 3058636, 4697191, 9394382, 18788764, 32880337, 65760674, 131521348]

約数ペア:

[(1, 131521348), (2, 65760674), (4, 32880337), (7, 18788764), (14, 9394382), (28, 4697191), (43, 3058636), (86, 1529318), (172, 764659), (301, 436948), (313, 420196), (349, 376852), (602, 218474), (626, 210098), (698, 188426), (1204, 109237), (1252, 105049), (1396, 94213), (2191, 60028), (2443, 53836), (4382, 30014), (4886, 26918), (8764, 15007), (9772, 13459)]