7137908491

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 8377776000

約数和(自身を除く): 1239867509

約数列:

[1, 7, 89, 109, 257, 409, 623, 763, 1799, 2863, 9701, 22873, 28013, 36401, 44581, 67907, 105113, 160111, 196091, 254807, 312067, 735791, 2493157, 3967709, 9355057, 11457317, 17452099, 27773963, 65485399, 80201219, 1019701213, 7137908491]

約数ペア:

[(1, 7137908491), (7, 1019701213), (89, 80201219), (109, 65485399), (257, 27773963), (409, 17452099), (623, 11457317), (763, 9355057), (1799, 3967709), (2863, 2493157), (9701, 735791), (22873, 312067), (28013, 254807), (36401, 196091), (44581, 160111), (67907, 105113)]