19770065

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9260335

約数列:

[1, 5, 7, 17, 35, 85, 119, 149, 223, 595, 745, 1043, 1115, 1561, 2533, 3791, 5215, 7805, 12665, 17731, 18955, 26537, 33227, 88655, 132685, 166135, 232589, 564859, 1162945, 2824295, 3954013, 19770065]

約数ペア:

[(1, 19770065), (5, 3954013), (7, 2824295), (17, 1162945), (35, 564859), (85, 232589), (119, 166135), (149, 132685), (223, 88655), (595, 33227), (745, 26537), (1043, 18955), (1115, 17731), (1561, 12665), (2533, 7805), (3791, 5215)]