205280229115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9777577}}^1$

素因数の和:9777631

約数の個数: 32

約数和(自身を含む): 295673958720

約数和(自身を除く): 90393729605

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 20995, 9777577, 48887885, 127108501, 166218809, 185773963, 635542505, 831094045, 928869815, 2160844517, 2415061519, 3158157371, 10804222585, 12075307595, 15790786855, 41056045823, 205280229115]

約数ペア:

[(1, 205280229115), (5, 41056045823), (13, 15790786855), (17, 12075307595), (19, 10804222585), (65, 3158157371), (85, 2415061519), (95, 2160844517), (221, 928869815), (247, 831094045), (323, 635542505), (1105, 185773963), (1235, 166218809), (1615, 127108501), (4199, 48887885), (20995, 9777577)]