209899403

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 268185600

約数和(自身を除く): 58286197

約数列:

[1, 7, 19, 23, 59, 133, 161, 413, 437, 1121, 1163, 1357, 3059, 7847, 8141, 9499, 22097, 25783, 26749, 68617, 154679, 180481, 187243, 480319, 508231, 1303723, 1578191, 3557617, 9126061, 11047337, 29985629, 209899403]

約数ペア:

[(1, 209899403), (7, 29985629), (19, 11047337), (23, 9126061), (59, 3557617), (133, 1578191), (161, 1303723), (413, 508231), (437, 480319), (1121, 187243), (1163, 180481), (1357, 154679), (3059, 68617), (7847, 26749), (8141, 25783), (9499, 22097)]