157022905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 211276800

約数和(自身を除く): 54253895

約数列:

[1, 5, 13, 31, 65, 149, 155, 403, 523, 745, 1937, 2015, 2615, 4619, 6799, 9685, 16213, 23095, 33995, 60047, 77927, 81065, 210769, 300235, 389635, 1013051, 1053845, 2415737, 5065255, 12078685, 31404581, 157022905]

約数ペア:

[(1, 157022905), (5, 31404581), (13, 12078685), (31, 5065255), (65, 2415737), (149, 1053845), (155, 1013051), (403, 389635), (523, 300235), (745, 210769), (1937, 81065), (2015, 77927), (2615, 60047), (4619, 33995), (6799, 23095), (9685, 16213)]