4472215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 32

約数和(自身を含む): 6285312

約数和(自身を除く): 1813097

約数列:

[1, 5, 11, 31, 43, 55, 61, 155, 215, 305, 341, 473, 671, 1333, 1705, 1891, 2365, 2623, 3355, 6665, 9455, 13115, 14663, 20801, 28853, 73315, 81313, 104005, 144265, 406565, 894443, 4472215]

約数ペア:

[(1, 4472215), (5, 894443), (11, 406565), (31, 144265), (43, 104005), (55, 81313), (61, 73315), (155, 28853), (215, 20801), (305, 14663), (341, 13115), (473, 9455), (671, 6665), (1333, 3355), (1705, 2623), (1891, 2365)]