204080256354

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{643961}}^1$

素因数の和:644235

約数の個数: 64

約数和(自身を含む): 467361861120

約数和(自身を除く): 263281604766

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 239, 442, 478, 663, 717, 1326, 1434, 3107, 4063, 6214, 8126, 9321, 12189, 18642, 24378, 52819, 105638, 158457, 316914, 643961, 1287922, 1931883, 3863766, 8371493, 10947337, 16742986, 21894674, 25114479, 32842011, 50228958, 65684022, 142315381, 153906679, 284630762, 307813358, 426946143, 461720037, 853892286, 923440074, 2000786827, 2616413543, 4001573654, 5232827086, 6002360481, 7849240629, 12004720962, 15698481258, 34013376059, 68026752118, 102040128177, 204080256354]

約数ペア:

[(1, 204080256354), (2, 102040128177), (3, 68026752118), (6, 34013376059), (13, 15698481258), (17, 12004720962), (26, 7849240629), (34, 6002360481), (39, 5232827086), (51, 4001573654), (78, 2616413543), (102, 2000786827), (221, 923440074), (239, 853892286), (442, 461720037), (478, 426946143), (663, 307813358), (717, 284630762), (1326, 153906679), (1434, 142315381), (3107, 65684022), (4063, 50228958), (6214, 32842011), (8126, 25114479), (9321, 21894674), (12189, 16742986), (18642, 10947337), (24378, 8371493), (52819, 3863766), (105638, 1931883), (158457, 1287922), (316914, 643961)]