161218300990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{2140729}}^1$

素因数の和:2141196

約数の個数: 32

約数和(自身を含む): 307956854880

約数和(自身を除く): 146738553890

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 443, 886, 2215, 4430, 7531, 15062, 37655, 75310, 2140729, 4281458, 10703645, 21407290, 36392393, 72784786, 181961965, 363923930, 948342947, 1896685894, 4741714735, 9483429470, 16121830099, 32243660198, 80609150495, 161218300990]

約数ペア:

[(1, 161218300990), (2, 80609150495), (5, 32243660198), (10, 16121830099), (17, 9483429470), (34, 4741714735), (85, 1896685894), (170, 948342947), (443, 363923930), (886, 181961965), (2215, 72784786), (4430, 36392393), (7531, 21407290), (15062, 10703645), (37655, 4281458), (75310, 2140729)]