81374644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3581}}^1$

素因数の和:3640

約数の個数: 48

約数和(自身を含む): 168497280

約数和(自身を除く): 87122636

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 92, 247, 299, 437, 494, 598, 874, 988, 1196, 1748, 3581, 5681, 7162, 11362, 14324, 22724, 46553, 68039, 82363, 93106, 136078, 164726, 186212, 272156, 329452, 884507, 1070719, 1564897, 1769014, 2141438, 3129794, 3538028, 4282876, 6259588, 20343661, 40687322, 81374644]

約数ペア:

[(1, 81374644), (2, 40687322), (4, 20343661), (13, 6259588), (19, 4282876), (23, 3538028), (26, 3129794), (38, 2141438), (46, 1769014), (52, 1564897), (76, 1070719), (92, 884507), (247, 329452), (299, 272156), (437, 186212), (494, 164726), (598, 136078), (874, 93106), (988, 82363), (1196, 68039), (1748, 46553), (3581, 22724), (5681, 14324), (7162, 11362)]