1281492835

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 1845486720

約数和(自身を除く): 563993885

約数列:

[1, 5, 7, 35, 47, 49, 109, 235, 245, 329, 545, 763, 1021, 1645, 2303, 3815, 5105, 5123, 5341, 7147, 11515, 25615, 26705, 35735, 35861, 47987, 50029, 111289, 179305, 239935, 250145, 251027, 335909, 556445, 779023, 1255135, 1679545, 2351363, 3895115, 5230583, 5453161, 11756815, 26152915, 27265805, 36614081, 183070405, 256298567, 1281492835]

約数ペア:

[(1, 1281492835), (5, 256298567), (7, 183070405), (35, 36614081), (47, 27265805), (49, 26152915), (109, 11756815), (235, 5453161), (245, 5230583), (329, 3895115), (545, 2351363), (763, 1679545), (1021, 1255135), (1645, 779023), (2303, 556445), (3815, 335909), (5105, 251027), (5123, 250145), (5341, 239935), (7147, 179305), (11515, 111289), (25615, 50029), (26705, 47987), (35735, 35861)]