51103778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 85631040

約数和(自身を除く): 34527262

約数列:

[1, 2, 11, 22, 101, 109, 202, 211, 218, 422, 1111, 1199, 2222, 2321, 2398, 4642, 11009, 21311, 22018, 22999, 42622, 45998, 121099, 234421, 242198, 252989, 468842, 505978, 2322899, 4645798, 25551889, 51103778]

約数ペア:

[(1, 51103778), (2, 25551889), (11, 4645798), (22, 2322899), (101, 505978), (109, 468842), (202, 252989), (211, 242198), (218, 234421), (422, 121099), (1111, 45998), (1199, 42622), (2222, 22999), (2321, 22018), (2398, 21311), (4642, 11009)]