1999030145

素因数分解:

$5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{419}}^1\times {\mathrm{503}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 2763694080

約数和(自身を除く): 764663935

約数列:

[1, 5, 7, 35, 271, 419, 503, 1355, 1897, 2095, 2515, 2933, 3521, 9485, 14665, 17605, 113549, 136313, 210757, 567745, 681565, 794843, 954191, 1053785, 1475299, 3974215, 4770955, 7376495, 57115147, 285575735, 399806029, 1999030145]

約数ペア:

[(1, 1999030145), (5, 399806029), (7, 285575735), (35, 57115147), (271, 7376495), (419, 4770955), (503, 3974215), (1355, 1475299), (1897, 1053785), (2095, 954191), (2515, 794843), (2933, 681565), (3521, 567745), (9485, 210757), (14665, 136313), (17605, 113549)]