131538890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{60617}}^1$

素因数の和:60662

約数の個数: 32

約数和(自身を含む): 279327744

約数和(自身を除く): 147788854

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 60617, 121234, 303085, 424319, 606170, 848638, 1879127, 2121595, 3758254, 4243190, 9395635, 13153889, 18791270, 26307778, 65769445, 131538890]

約数ペア:

[(1, 131538890), (2, 65769445), (5, 26307778), (7, 18791270), (10, 13153889), (14, 9395635), (31, 4243190), (35, 3758254), (62, 2121595), (70, 1879127), (155, 848638), (217, 606170), (310, 424319), (434, 303085), (1085, 121234), (2170, 60617)]