31483790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1217}}^1$

素因数の和:1436

約数の個数: 32

約数和(自身を含む): 61387200

約数和(自身を除く): 29903410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1217, 1990, 2434, 2587, 5174, 6085, 12170, 12935, 15821, 25870, 31642, 79105, 158210, 242183, 484366, 1210915, 2421830, 3148379, 6296758, 15741895, 31483790]

約数ペア:

[(1, 31483790), (2, 15741895), (5, 6296758), (10, 3148379), (13, 2421830), (26, 1210915), (65, 484366), (130, 242183), (199, 158210), (398, 79105), (995, 31642), (1217, 25870), (1990, 15821), (2434, 12935), (2587, 12170), (5174, 6085)]