664755416

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{337}}^1\times {\mathrm{1459}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 1354602600

約数和(自身を除く): 689847184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 337, 338, 674, 676, 1348, 1352, 1459, 2696, 2918, 4381, 5836, 8762, 11672, 17524, 18967, 35048, 37934, 56953, 75868, 113906, 151736, 227812, 246571, 455624, 491683, 493142, 983366, 986284, 1966732, 1972568, 3933464, 6391879, 12783758, 25567516, 51135032, 83094427, 166188854, 332377708, 664755416]

約数ペア:

[(1, 664755416), (2, 332377708), (4, 166188854), (8, 83094427), (13, 51135032), (26, 25567516), (52, 12783758), (104, 6391879), (169, 3933464), (337, 1972568), (338, 1966732), (674, 986284), (676, 983366), (1348, 493142), (1352, 491683), (1459, 455624), (2696, 246571), (2918, 227812), (4381, 151736), (5836, 113906), (8762, 75868), (11672, 56953), (17524, 37934), (18967, 35048)]