156620575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{919}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 206370720

約数和(自身を除く): 49750145

約数列:

[1, 5, 17, 25, 85, 401, 425, 919, 2005, 4595, 6817, 10025, 15623, 22975, 34085, 78115, 170425, 368519, 390575, 1842595, 6264823, 9212975, 31324115, 156620575]

約数ペア:

[(1, 156620575), (5, 31324115), (17, 9212975), (25, 6264823), (85, 1842595), (401, 390575), (425, 368519), (919, 170425), (2005, 78115), (4595, 34085), (6817, 22975), (10025, 15623)]