12730456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1373}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 25556400

約数和(自身を除く): 12825944

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 1373, 2318, 2746, 4636, 5492, 9272, 10984, 26087, 52174, 83753, 104348, 167506, 208696, 335012, 670024, 1591307, 3182614, 6365228, 12730456]

約数ペア:

[(1, 12730456), (2, 6365228), (4, 3182614), (8, 1591307), (19, 670024), (38, 335012), (61, 208696), (76, 167506), (122, 104348), (152, 83753), (244, 52174), (488, 26087), (1159, 10984), (1373, 9272), (2318, 5492), (2746, 4636)]