28894888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3251}}^1$

素因数の和:3369

約数の個数: 32

約数和(自身を含む): 59706720

約数和(自身を除く): 30811832

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 3251, 4444, 6502, 8888, 13004, 26008, 35761, 71522, 143044, 286088, 328351, 656702, 1313404, 2626808, 3611861, 7223722, 14447444, 28894888]

約数ペア:

[(1, 28894888), (2, 14447444), (4, 7223722), (8, 3611861), (11, 2626808), (22, 1313404), (44, 656702), (88, 328351), (101, 286088), (202, 143044), (404, 71522), (808, 35761), (1111, 26008), (2222, 13004), (3251, 8888), (4444, 6502)]