221852015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1877}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 333172224

約数和(自身を除く): 111320209

約数列:

[1, 5, 7, 11, 35, 55, 77, 307, 385, 1535, 1877, 2149, 3377, 9385, 10745, 13139, 16885, 20647, 23639, 65695, 103235, 118195, 144529, 576239, 722645, 2881195, 4033673, 6338629, 20168365, 31693145, 44370403, 221852015]

約数ペア:

[(1, 221852015), (5, 44370403), (7, 31693145), (11, 20168365), (35, 6338629), (55, 4033673), (77, 2881195), (307, 722645), (385, 576239), (1535, 144529), (1877, 118195), (2149, 103235), (3377, 65695), (9385, 23639), (10745, 20647), (13139, 16885)]