9780978

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 20097216

約数和(自身を除く): 10316238

約数列:

[1, 2, 3, 6, 73, 137, 146, 163, 219, 274, 326, 411, 438, 489, 822, 978, 10001, 11899, 20002, 22331, 23798, 30003, 35697, 44662, 60006, 66993, 71394, 133986, 1630163, 3260326, 4890489, 9780978]

約数ペア:

[(1, 9780978), (2, 4890489), (3, 3260326), (6, 1630163), (73, 133986), (137, 71394), (146, 66993), (163, 60006), (219, 44662), (274, 35697), (326, 30003), (411, 23798), (438, 22331), (489, 20002), (822, 11899), (978, 10001)]