1901396

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 3950100

約数和(自身を除く): 2048704

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 109, 178, 196, 218, 356, 436, 623, 763, 1246, 1526, 2492, 3052, 4361, 5341, 8722, 9701, 10682, 17444, 19402, 21364, 38804, 67907, 135814, 271628, 475349, 950698, 1901396]

約数ペア:

[(1, 1901396), (2, 950698), (4, 475349), (7, 271628), (14, 135814), (28, 67907), (49, 38804), (89, 21364), (98, 19402), (109, 17444), (178, 10682), (196, 9701), (218, 8722), (356, 5341), (436, 4361), (623, 3052), (763, 2492), (1246, 1526)]