28961401

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 35397000

約数和(自身を除く): 6435599

約数列:

[1, 7, 29, 49, 89, 203, 229, 623, 1421, 1603, 2581, 4361, 6641, 11221, 18067, 20381, 46487, 126469, 142667, 325409, 591049, 998669, 4137343, 28961401]

約数ペア:

[(1, 28961401), (7, 4137343), (29, 998669), (49, 591049), (89, 325409), (203, 142667), (229, 126469), (623, 46487), (1421, 20381), (1603, 18067), (2581, 11221), (4361, 6641)]