355844255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 514728480

約数和(自身を除く): 158884225

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 289, 323, 997, 1105, 1235, 1445, 1615, 3757, 4199, 4985, 5491, 12961, 16949, 18785, 18943, 20995, 27455, 64805, 71383, 84745, 94715, 220337, 246259, 288133, 322031, 356915, 1101685, 1231295, 1440665, 1610155, 3745729, 4186403, 5474527, 18728645, 20932015, 27372635, 71168851, 355844255]

約数ペア:

[(1, 355844255), (5, 71168851), (13, 27372635), (17, 20932015), (19, 18728645), (65, 5474527), (85, 4186403), (95, 3745729), (221, 1610155), (247, 1440665), (289, 1231295), (323, 1101685), (997, 356915), (1105, 322031), (1235, 288133), (1445, 246259), (1615, 220337), (3757, 94715), (4199, 84745), (4985, 71383), (5491, 64805), (12961, 27455), (16949, 20995), (18785, 18943)]