7899815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 12731904

約数和(自身を除く): 4832089

約数列:

[1, 5, 7, 11, 17, 35, 55, 71, 77, 85, 119, 187, 289, 355, 385, 497, 595, 781, 935, 1207, 1309, 1445, 2023, 2485, 3179, 3905, 5467, 6035, 6545, 8449, 10115, 13277, 15895, 20519, 22253, 27335, 42245, 66385, 92939, 102595, 111265, 143633, 225709, 464695, 718165, 1128545, 1579963, 7899815]

約数ペア:

[(1, 7899815), (5, 1579963), (7, 1128545), (11, 718165), (17, 464695), (35, 225709), (55, 143633), (71, 111265), (77, 102595), (85, 92939), (119, 66385), (187, 42245), (289, 27335), (355, 22253), (385, 20519), (497, 15895), (595, 13277), (781, 10115), (935, 8449), (1207, 6545), (1309, 6035), (1445, 5467), (2023, 3905), (2485, 3179)]