260249973

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 388814400

約数和(自身を除く): 128564427

約数列:

[1, 3, 19, 29, 57, 61, 87, 89, 183, 267, 551, 841, 1159, 1653, 1691, 1769, 2523, 2581, 3477, 5073, 5307, 5429, 7743, 15979, 16287, 33611, 47937, 49039, 51301, 74849, 100833, 103151, 147117, 153903, 157441, 224547, 309453, 472323, 974719, 1422131, 2924157, 2991379, 4266393, 4565789, 8974137, 13697367, 86749991, 260249973]

約数ペア:

[(1, 260249973), (3, 86749991), (19, 13697367), (29, 8974137), (57, 4565789), (61, 4266393), (87, 2991379), (89, 2924157), (183, 1422131), (267, 974719), (551, 472323), (841, 309453), (1159, 224547), (1653, 157441), (1691, 153903), (1769, 147117), (2523, 103151), (2581, 100833), (3477, 74849), (5073, 51301), (5307, 49039), (5429, 47937), (7743, 33611), (15979, 16287)]