131392430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{77747}}^1$

素因数の和:77780

約数の個数: 24

約数和(自身を含む): 256101912

約数和(自身を除く): 124709482

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 77747, 155494, 388735, 777470, 1010711, 2021422, 5053555, 10107110, 13139243, 26278486, 65696215, 131392430]

約数ペア:

[(1, 131392430), (2, 65696215), (5, 26278486), (10, 13139243), (13, 10107110), (26, 5053555), (65, 2021422), (130, 1010711), (169, 777470), (338, 388735), (845, 155494), (1690, 77747)]