4991965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 7309440

約数和(自身を除く): 2317475

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 281, 323, 935, 1045, 1405, 1615, 3091, 3553, 4777, 5339, 15455, 17765, 23885, 26695, 52547, 58729, 90763, 262735, 293645, 453815, 998393, 4991965]

約数ペア:

[(1, 4991965), (5, 998393), (11, 453815), (17, 293645), (19, 262735), (55, 90763), (85, 58729), (95, 52547), (187, 26695), (209, 23885), (281, 17765), (323, 15455), (935, 5339), (1045, 4777), (1405, 3553), (1615, 3091)]