157213555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 203120640

約数和(自身を除く): 45907085

約数列:

[1, 5, 31, 37, 79, 155, 185, 347, 395, 1147, 1735, 2449, 2923, 5735, 10757, 12245, 12839, 14615, 27413, 53785, 64195, 90613, 137065, 398009, 453065, 849803, 1014281, 1990045, 4249015, 5071405, 31442711, 157213555]

約数ペア:

[(1, 157213555), (5, 31442711), (31, 5071405), (37, 4249015), (79, 1990045), (155, 1014281), (185, 849803), (347, 453065), (395, 398009), (1147, 137065), (1735, 90613), (2449, 64195), (2923, 53785), (5735, 27413), (10757, 14615), (12245, 12839)]