221442145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 283668480

約数和(自身を除く): 62226335

約数列:

[1, 5, 31, 47, 113, 155, 235, 269, 565, 1345, 1457, 3503, 5311, 7285, 8339, 12643, 17515, 26555, 30397, 41695, 63215, 151985, 164641, 391933, 823205, 942307, 1428659, 1959665, 4711535, 7143295, 44288429, 221442145]

約数ペア:

[(1, 221442145), (5, 44288429), (31, 7143295), (47, 4711535), (113, 1959665), (155, 1428659), (235, 942307), (269, 823205), (565, 391933), (1345, 164641), (1457, 151985), (3503, 63215), (5311, 41695), (7285, 30397), (8339, 26555), (12643, 17515)]