4157405

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 5909760

約数和(自身を除く): 1752355

約数列:

[1, 5, 7, 35, 49, 71, 239, 245, 355, 497, 1195, 1673, 2485, 3479, 8365, 11711, 16969, 17395, 58555, 84845, 118783, 593915, 831481, 4157405]

約数ペア:

[(1, 4157405), (5, 831481), (7, 593915), (35, 118783), (49, 84845), (71, 58555), (239, 17395), (245, 16969), (355, 11711), (497, 8365), (1195, 3479), (1673, 2485)]