248820145

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5701}}^1$

素因数の和:5785

約数の個数: 32

約数和(自身を含む): 361278720

約数和(自身を除く): 112458575

約数列:

[1, 5, 7, 29, 35, 43, 145, 203, 215, 301, 1015, 1247, 1505, 5701, 6235, 8729, 28505, 39907, 43645, 165329, 199535, 245143, 826645, 1157303, 1225715, 1716001, 5786515, 7109147, 8580005, 35545735, 49764029, 248820145]

約数ペア:

[(1, 248820145), (5, 49764029), (7, 35545735), (29, 8580005), (35, 7109147), (43, 5786515), (145, 1716001), (203, 1225715), (215, 1157303), (301, 826645), (1015, 245143), (1247, 199535), (1505, 165329), (5701, 43645), (6235, 39907), (8729, 28505)]