398045395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2161}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 554786496

約数和(自身を除く): 156741101

約数列:

[1, 5, 11, 17, 55, 85, 187, 197, 935, 985, 2161, 2167, 3349, 10805, 10835, 16745, 23771, 36737, 36839, 118855, 183685, 184195, 404107, 425717, 2020535, 2128585, 4682887, 7237189, 23414435, 36185945, 79609079, 398045395]

約数ペア:

[(1, 398045395), (5, 79609079), (11, 36185945), (17, 23414435), (55, 7237189), (85, 4682887), (187, 2128585), (197, 2020535), (935, 425717), (985, 404107), (2161, 184195), (2167, 183685), (3349, 118855), (10805, 36839), (10835, 36737), (16745, 23771)]