211023785

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1423}}^1$

素因数の和:1677

約数の個数: 32

約数和(自身を含む): 306216960

約数和(自身を除く): 95193175

約数列:

[1, 5, 7, 19, 35, 95, 133, 223, 665, 1115, 1423, 1561, 4237, 7115, 7805, 9961, 21185, 27037, 29659, 49805, 135185, 148295, 189259, 317329, 946295, 1586645, 2221303, 6029251, 11106515, 30146255, 42204757, 211023785]

約数ペア:

[(1, 211023785), (5, 42204757), (7, 30146255), (19, 11106515), (35, 6029251), (95, 2221303), (133, 1586645), (223, 946295), (665, 317329), (1115, 189259), (1423, 148295), (1561, 135185), (4237, 49805), (7115, 29659), (7805, 27037), (9961, 21185)]