90031285

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 114608088

約数和(自身を除く): 24576803

約数列:

[1, 5, 31, 41, 155, 205, 457, 961, 1271, 2285, 4805, 6355, 14167, 18737, 39401, 70835, 93685, 197005, 439177, 580847, 2195885, 2904235, 18006257, 90031285]

約数ペア:

[(1, 90031285), (5, 18006257), (31, 2904235), (41, 2195885), (155, 580847), (205, 439177), (457, 197005), (961, 93685), (1271, 70835), (2285, 39401), (4805, 18737), (6355, 14167)]