28017275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 43309728

約数和(自身を除く): 15292453

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 461, 715, 935, 1105, 2305, 2431, 3575, 4675, 5071, 5525, 5993, 7837, 11525, 12155, 25355, 29965, 39185, 60775, 65923, 86207, 101881, 126775, 149825, 195925, 329615, 431035, 509405, 1120691, 1648075, 2155175, 2547025, 5603455, 28017275]

約数ペア:

[(1, 28017275), (5, 5603455), (11, 2547025), (13, 2155175), (17, 1648075), (25, 1120691), (55, 509405), (65, 431035), (85, 329615), (143, 195925), (187, 149825), (221, 126775), (275, 101881), (325, 86207), (425, 65923), (461, 60775), (715, 39185), (935, 29965), (1105, 25355), (2305, 12155), (2431, 11525), (3575, 7837), (4675, 5993), (5071, 5525)]