28272728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3181}}^1$

素因数の和:3299

約数の個数: 32

約数和(自身を含む): 58421520

約数和(自身を除く): 30148792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 3181, 4444, 6362, 8888, 12724, 25448, 34991, 69982, 139964, 279928, 321281, 642562, 1285124, 2570248, 3534091, 7068182, 14136364, 28272728]

約数ペア:

[(1, 28272728), (2, 14136364), (4, 7068182), (8, 3534091), (11, 2570248), (22, 1285124), (44, 642562), (88, 321281), (101, 279928), (202, 139964), (404, 69982), (808, 34991), (1111, 25448), (2222, 12724), (3181, 8888), (4444, 6362)]