71875993

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 18844007

約数列:

[1, 7, 19, 41, 49, 133, 269, 287, 343, 779, 931, 1883, 2009, 5111, 5453, 6517, 11029, 13181, 14063, 35777, 38171, 77203, 92267, 209551, 250439, 267197, 540421, 1466857, 1753073, 3782947, 10267999, 71875993]

約数ペア:

[(1, 71875993), (7, 10267999), (19, 3782947), (41, 1753073), (49, 1466857), (133, 540421), (269, 267197), (287, 250439), (343, 209551), (779, 92267), (931, 77203), (1883, 38171), (2009, 35777), (5111, 14063), (5453, 13181), (6517, 11029)]