439991915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{887}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 598440960

約数和(自身を除く): 158449045

約数列:

[1, 5, 11, 29, 55, 145, 311, 319, 887, 1555, 1595, 3421, 4435, 9019, 9757, 17105, 25723, 45095, 48785, 99209, 128615, 275857, 282953, 496045, 1379285, 1414765, 3034427, 7999853, 15172135, 39999265, 87998383, 439991915]

約数ペア:

[(1, 439991915), (5, 87998383), (11, 39999265), (29, 15172135), (55, 7999853), (145, 3034427), (311, 1414765), (319, 1379285), (887, 496045), (1555, 282953), (1595, 275857), (3421, 128615), (4435, 99209), (9019, 48785), (9757, 45095), (17105, 25723)]