31878470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1451}}^1$

素因数の和:1497

約数の個数: 32

約数和(自身を含む): 62203680

約数和(自身を除く): 30325210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1451, 1690, 2197, 2902, 4394, 7255, 10985, 14510, 18863, 21970, 37726, 94315, 188630, 245219, 490438, 1226095, 2452190, 3187847, 6375694, 15939235, 31878470]

約数ペア:

[(1, 31878470), (2, 15939235), (5, 6375694), (10, 3187847), (13, 2452190), (26, 1226095), (65, 490438), (130, 245219), (169, 188630), (338, 94315), (845, 37726), (1451, 21970), (1690, 18863), (2197, 14510), (2902, 10985), (4394, 7255)]