399551412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2561227}}^1$

素因数の和:2561247

約数の個数: 24

約数和(自身を含む): 1004001376

約数和(自身を除く): 604449964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 2561227, 5122454, 7683681, 10244908, 15367362, 30734724, 33295951, 66591902, 99887853, 133183804, 199775706, 399551412]

約数ペア:

[(1, 399551412), (2, 199775706), (3, 133183804), (4, 99887853), (6, 66591902), (12, 33295951), (13, 30734724), (26, 15367362), (39, 10244908), (52, 7683681), (78, 5122454), (156, 2561227)]