31237986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8521}}^1$

素因数の和:8586

約数の個数: 32

約数和(自身を含む): 68721408

約数和(自身を除く): 37483422

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 282, 611, 1222, 1833, 3666, 8521, 17042, 25563, 51126, 110773, 221546, 332319, 400487, 664638, 800974, 1201461, 2402922, 5206331, 10412662, 15618993, 31237986]

約数ペア:

[(1, 31237986), (2, 15618993), (3, 10412662), (6, 5206331), (13, 2402922), (26, 1201461), (39, 800974), (47, 664638), (78, 400487), (94, 332319), (141, 221546), (282, 110773), (611, 51126), (1222, 25563), (1833, 17042), (3666, 8521)]