6640928

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 15603840

約数和(自身を除く): 8962912

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 1289, 2576, 2578, 5152, 5156, 9023, 10312, 18046, 20624, 29647, 36092, 41248, 59294, 72184, 118588, 144368, 207529, 237176, 288736, 415058, 474352, 830116, 948704, 1660232, 3320464, 6640928]

約数ペア:

[(1, 6640928), (2, 3320464), (4, 1660232), (7, 948704), (8, 830116), (14, 474352), (16, 415058), (23, 288736), (28, 237176), (32, 207529), (46, 144368), (56, 118588), (92, 72184), (112, 59294), (161, 41248), (184, 36092), (224, 29647), (322, 20624), (368, 18046), (644, 10312), (736, 9023), (1288, 5156), (1289, 5152), (2576, 2578)]