518549668

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{26879}}^1$

素因数の和:26956

約数の個数: 48

約数和(自身を含む): 1137991680

約数和(自身を除く): 619442012

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 2756, 4823, 9646, 19292, 26879, 53758, 107516, 188153, 349427, 376306, 698854, 752612, 1397708, 1424587, 2445989, 2849174, 4891978, 5698348, 9783956, 9972109, 18519631, 19944218, 37039262, 39888436, 74078524, 129637417, 259274834, 518549668]

約数ペア:

[(1, 518549668), (2, 259274834), (4, 129637417), (7, 74078524), (13, 39888436), (14, 37039262), (26, 19944218), (28, 18519631), (52, 9972109), (53, 9783956), (91, 5698348), (106, 4891978), (182, 2849174), (212, 2445989), (364, 1424587), (371, 1397708), (689, 752612), (742, 698854), (1378, 376306), (1484, 349427), (2756, 188153), (4823, 107516), (9646, 53758), (19292, 26879)]