128179428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{821663}}^1$

素因数の和:821683

約数の個数: 24

約数和(自身を含む): 322092288

約数和(自身を除く): 193912860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 821663, 1643326, 2464989, 3286652, 4929978, 9859956, 10681619, 21363238, 32044857, 42726476, 64089714, 128179428]

約数ペア:

[(1, 128179428), (2, 64089714), (3, 42726476), (4, 32044857), (6, 21363238), (12, 10681619), (13, 9859956), (26, 4929978), (39, 3286652), (52, 2464989), (78, 1643326), (156, 821663)]