258889235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^3\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 352831680

約数和(自身を除く): 93942445

約数列:

[1, 5, 11, 29, 55, 145, 193, 319, 841, 965, 1595, 2123, 4205, 5597, 9251, 10615, 24389, 27985, 46255, 61567, 121945, 162313, 268279, 307835, 811565, 1341395, 1785443, 4707077, 8927215, 23535385, 51777847, 258889235]

約数ペア:

[(1, 258889235), (5, 51777847), (11, 23535385), (29, 8927215), (55, 4707077), (145, 1785443), (193, 1341395), (319, 811565), (841, 307835), (965, 268279), (1595, 162313), (2123, 121945), (4205, 61567), (5597, 46255), (9251, 27985), (10615, 24389)]