9920288

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 22688064

約数和(自身を除く): 12767776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 661, 938, 1072, 1322, 1876, 2144, 2644, 3752, 4627, 5288, 7504, 9254, 10576, 15008, 18508, 21152, 37016, 44287, 74032, 88574, 148064, 177148, 310009, 354296, 620018, 708592, 1240036, 1417184, 2480072, 4960144, 9920288]

約数ペア:

[(1, 9920288), (2, 4960144), (4, 2480072), (7, 1417184), (8, 1240036), (14, 708592), (16, 620018), (28, 354296), (32, 310009), (56, 177148), (67, 148064), (112, 88574), (134, 74032), (224, 44287), (268, 37016), (469, 21152), (536, 18508), (661, 15008), (938, 10576), (1072, 9254), (1322, 7504), (1876, 5288), (2144, 4627), (2644, 3752)]