223892557

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 280166400

約数和(自身を除く): 56273843

約数列:

[1, 7, 23, 29, 79, 161, 203, 553, 607, 667, 1817, 2291, 4249, 4669, 12719, 13961, 16037, 17603, 47953, 52693, 97727, 123221, 335671, 368851, 404869, 1102919, 1390637, 2834083, 7720433, 9734459, 31984651, 223892557]

約数ペア:

[(1, 223892557), (7, 31984651), (23, 9734459), (29, 7720433), (79, 2834083), (161, 1390637), (203, 1102919), (553, 404869), (607, 368851), (667, 335671), (1817, 123221), (2291, 97727), (4249, 52693), (4669, 47953), (12719, 17603), (13961, 16037)]