8139145

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 11491200

約数和(自身を除く): 3352055

約数列:

[1, 5, 7, 35, 49, 139, 239, 245, 695, 973, 1195, 1673, 4865, 6811, 8365, 11711, 33221, 34055, 58555, 166105, 232547, 1162735, 1627829, 8139145]

約数ペア:

[(1, 8139145), (5, 1627829), (7, 1162735), (35, 232547), (49, 166105), (139, 58555), (239, 34055), (245, 33221), (695, 11711), (973, 8365), (1195, 6811), (1673, 4865)]