1990298300455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{68113}}^1\times {\mathrm{343771}}^1$

素因数の和:411906

約数の個数: 16

約数和(自身を含む): 2528894088864

約数和(自身を除く): 538595788409

約数列:

[1, 5, 17, 85, 68113, 340565, 343771, 1157921, 1718855, 5789605, 5844107, 29220535, 23415274123, 117076370615, 398059660091, 1990298300455]

約数ペア:

[(1, 1990298300455), (5, 398059660091), (17, 117076370615), (85, 23415274123), (68113, 29220535), (340565, 5844107), (343771, 5789605), (1157921, 1718855)]