72390815

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 104215680

約数和(自身を除く): 31824865

約数列:

[1, 5, 7, 29, 35, 73, 145, 203, 365, 511, 977, 1015, 2117, 2555, 4885, 6839, 10585, 14819, 28333, 34195, 71321, 74095, 141665, 198331, 356605, 499247, 991655, 2068309, 2496235, 10341545, 14478163, 72390815]

約数ペア:

[(1, 72390815), (5, 14478163), (7, 10341545), (29, 2496235), (35, 2068309), (73, 991655), (145, 499247), (203, 356605), (365, 198331), (511, 141665), (977, 74095), (1015, 71321), (2117, 34195), (2555, 28333), (4885, 14819), (6839, 10585)]