64208391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 98461440

約数和(自身を除く): 34253049

約数列:

[1, 3, 13, 19, 39, 57, 73, 219, 247, 741, 949, 1187, 1387, 2847, 3561, 4161, 15431, 18031, 22553, 46293, 54093, 67659, 86651, 259953, 293189, 879567, 1126463, 1646369, 3379389, 4939107, 21402797, 64208391]

約数ペア:

[(1, 64208391), (3, 21402797), (13, 4939107), (19, 3379389), (39, 1646369), (57, 1126463), (73, 879567), (219, 293189), (247, 259953), (741, 86651), (949, 67659), (1187, 54093), (1387, 46293), (2847, 22553), (3561, 18031), (4161, 15431)]