13220428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13381}}^1$

素因数の和:13417

約数の個数: 24

約数和(自身を含む): 26228720

約数和(自身を除く): 13008292

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 13381, 26762, 53524, 173953, 254239, 347906, 508478, 695812, 1016956, 3305107, 6610214, 13220428]

約数ペア:

[(1, 13220428), (2, 6610214), (4, 3305107), (13, 1016956), (19, 695812), (26, 508478), (38, 347906), (52, 254239), (76, 173953), (247, 53524), (494, 26762), (988, 13381)]