1917806401

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{2003}}^1$

素因数の和:2365

約数の個数: 32

約数和(自身を含む): 2416343040

約数和(自身を除く): 498536639

約数列:

[1, 7, 19, 23, 133, 161, 313, 437, 2003, 2191, 3059, 5947, 7199, 14021, 38057, 41629, 46069, 50393, 136781, 266399, 322483, 626939, 875311, 957467, 4388573, 6127177, 11911841, 14419597, 83382887, 100937179, 273972343, 1917806401]

約数ペア:

[(1, 1917806401), (7, 273972343), (19, 100937179), (23, 83382887), (133, 14419597), (161, 11911841), (313, 6127177), (437, 4388573), (2003, 957467), (2191, 875311), (3059, 626939), (5947, 322483), (7199, 266399), (14021, 136781), (38057, 50393), (41629, 46069)]