2007673855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 2897233920

約数和(自身を除く): 889560065

約数列:

[1, 5, 11, 19, 41, 47, 55, 95, 205, 209, 235, 451, 517, 779, 893, 997, 1045, 1927, 2255, 2585, 3895, 4465, 4985, 8569, 9635, 9823, 10967, 18943, 21197, 36613, 40877, 42845, 46859, 49115, 54835, 94715, 105985, 183065, 204385, 208373, 234295, 402743, 449647, 515449, 776663, 890321, 1041865, 1921219, 2013715, 2248235, 2577245, 3883315, 4451605, 8543293, 9606095, 9793531, 21133409, 36503161, 42716465, 48967655, 105667045, 182515805, 401534771, 2007673855]

約数ペア:

[(1, 2007673855), (5, 401534771), (11, 182515805), (19, 105667045), (41, 48967655), (47, 42716465), (55, 36503161), (95, 21133409), (205, 9793531), (209, 9606095), (235, 8543293), (451, 4451605), (517, 3883315), (779, 2577245), (893, 2248235), (997, 2013715), (1045, 1921219), (1927, 1041865), (2255, 890321), (2585, 776663), (3895, 515449), (4465, 449647), (4985, 402743), (8569, 234295), (9635, 208373), (9823, 204385), (10967, 183065), (18943, 105985), (21197, 94715), (36613, 54835), (40877, 49115), (42845, 46859)]