398164

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 36

約数和(自身を含む): 819840

約数和(自身を除く): 421676

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 169, 247, 338, 403, 494, 589, 676, 806, 988, 1178, 1612, 2356, 3211, 5239, 6422, 7657, 10478, 12844, 15314, 20956, 30628, 99541, 199082, 398164]

約数ペア:

[(1, 398164), (2, 199082), (4, 99541), (13, 30628), (19, 20956), (26, 15314), (31, 12844), (38, 10478), (52, 7657), (62, 6422), (76, 5239), (124, 3211), (169, 2356), (247, 1612), (338, 1178), (403, 988), (494, 806), (589, 676)]