28887586

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 57028608

約数和(自身を除く): 28141022

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 67, 91, 103, 134, 161, 182, 206, 299, 322, 469, 598, 721, 871, 938, 1339, 1442, 1541, 1742, 2093, 2369, 2678, 3082, 4186, 4738, 6097, 6901, 9373, 10787, 12194, 13802, 16583, 18746, 20033, 21574, 30797, 33166, 40066, 48307, 61594, 89713, 96614, 140231, 158723, 179426, 215579, 280462, 317446, 431158, 627991, 1111061, 1255982, 2063399, 2222122, 4126798, 14443793, 28887586]

約数ペア:

[(1, 28887586), (2, 14443793), (7, 4126798), (13, 2222122), (14, 2063399), (23, 1255982), (26, 1111061), (46, 627991), (67, 431158), (91, 317446), (103, 280462), (134, 215579), (161, 179426), (182, 158723), (206, 140231), (299, 96614), (322, 89713), (469, 61594), (598, 48307), (721, 40066), (871, 33166), (938, 30797), (1339, 21574), (1442, 20033), (1541, 18746), (1742, 16583), (2093, 13802), (2369, 12194), (2678, 10787), (3082, 9373), (4186, 6901), (4738, 6097)]