490645519

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 632016000

約数和(自身を除く): 141370481

約数列:

[1, 7, 13, 29, 89, 91, 203, 377, 623, 1157, 2089, 2581, 2639, 8099, 14623, 18067, 27157, 33553, 60581, 185921, 190099, 234871, 424067, 787553, 1301447, 2416973, 5391709, 5512871, 16918811, 37741963, 70092217, 490645519]

約数ペア:

[(1, 490645519), (7, 70092217), (13, 37741963), (29, 16918811), (89, 5512871), (91, 5391709), (203, 2416973), (377, 1301447), (623, 787553), (1157, 424067), (2089, 234871), (2581, 190099), (2639, 185921), (8099, 60581), (14623, 33553), (18067, 27157)]