2008404447

素因数分解:

$3^1\times 7^1\times {\mathrm{7477}}^1\times {\mathrm{12791}}^1$

素因数の和:20278

約数の個数: 16

約数和(自身を含む): 3061074432

約数和(自身を除く): 1052669985

約数列:

[1, 3, 7, 21, 7477, 12791, 22431, 38373, 52339, 89537, 157017, 268611, 95638307, 286914921, 669468149, 2008404447]

約数ペア:

[(1, 2008404447), (3, 669468149), (7, 286914921), (21, 95638307), (7477, 268611), (12791, 157017), (22431, 89537), (38373, 52339)]