223645279

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 276401664

約数和(自身を除く): 52756385

約数列:

[1, 11, 13, 37, 43, 143, 407, 473, 481, 559, 983, 1591, 5291, 6149, 10813, 12779, 17501, 20683, 36371, 42269, 140569, 227513, 400081, 464959, 472823, 549497, 1563953, 5201053, 6044467, 17203483, 20331389, 223645279]

約数ペア:

[(1, 223645279), (11, 20331389), (13, 17203483), (37, 6044467), (43, 5201053), (143, 1563953), (407, 549497), (473, 472823), (481, 464959), (559, 400081), (983, 227513), (1591, 140569), (5291, 42269), (6149, 36371), (10813, 20683), (12779, 17501)]