71890826

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1567}}^1$

素因数の和:1718

約数の個数: 32

約数和(自身を含む): 128701440

約数和(自身を除く): 56810614

約数列:

[1, 2, 7, 14, 29, 58, 113, 203, 226, 406, 791, 1567, 1582, 3134, 3277, 6554, 10969, 21938, 22939, 45443, 45878, 90886, 177071, 318101, 354142, 636202, 1239497, 2478994, 5135059, 10270118, 35945413, 71890826]

約数ペア:

[(1, 71890826), (2, 35945413), (7, 10270118), (14, 5135059), (29, 2478994), (58, 1239497), (113, 636202), (203, 354142), (226, 318101), (406, 177071), (791, 90886), (1567, 45878), (1582, 45443), (3134, 22939), (3277, 21938), (6554, 10969)]