248875781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2543}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 328237056

約数和(自身を除く): 79361275

約数列:

[1, 7, 11, 31, 41, 77, 217, 287, 341, 451, 1271, 2387, 2543, 3157, 8897, 13981, 17801, 27973, 78833, 97867, 104263, 195811, 551831, 729841, 867163, 1146893, 3232153, 6070141, 8028251, 22625071, 35553683, 248875781]

約数ペア:

[(1, 248875781), (7, 35553683), (11, 22625071), (31, 8028251), (41, 6070141), (77, 3232153), (217, 1146893), (287, 867163), (341, 729841), (451, 551831), (1271, 195811), (2387, 104263), (2543, 97867), (3157, 78833), (8897, 27973), (13981, 17801)]