817211090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{91513}}^1$

素因数の和:91586

約数の個数: 32

約数和(自身を含む): 1581361920

約数和(自身を除く): 764150830

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 91513, 183026, 457565, 915130, 1738747, 3477494, 4301111, 8602222, 8693735, 17387470, 21505555, 43011110, 81721109, 163442218, 408605545, 817211090]

約数ペア:

[(1, 817211090), (2, 408605545), (5, 163442218), (10, 81721109), (19, 43011110), (38, 21505555), (47, 17387470), (94, 8693735), (95, 8602222), (190, 4301111), (235, 3477494), (470, 1738747), (893, 915130), (1786, 457565), (4465, 183026), (8930, 91513)]