644897422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2803}}^1\times {\mathrm{8849}}^1$

素因数の和:11667

約数の個数: 16

約数和(自身を含む): 1042246800

約数和(自身を除く): 397349378

約数列:

[1, 2, 13, 26, 2803, 5606, 8849, 17698, 36439, 72878, 115037, 230074, 24803747, 49607494, 322448711, 644897422]

約数ペア:

[(1, 644897422), (2, 322448711), (13, 49607494), (26, 24803747), (2803, 230074), (5606, 115037), (8849, 72878), (17698, 36439)]