25928728

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 33583592

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 41, 46, 56, 82, 92, 161, 164, 184, 287, 322, 328, 491, 574, 644, 943, 982, 1148, 1288, 1886, 1964, 2296, 3437, 3772, 3928, 6601, 6874, 7544, 11293, 13202, 13748, 20131, 22586, 26404, 27496, 40262, 45172, 52808, 79051, 80524, 90344, 140917, 158102, 161048, 281834, 316204, 463013, 563668, 632408, 926026, 1127336, 1852052, 3241091, 3704104, 6482182, 12964364, 25928728]

約数ペア:

[(1, 25928728), (2, 12964364), (4, 6482182), (7, 3704104), (8, 3241091), (14, 1852052), (23, 1127336), (28, 926026), (41, 632408), (46, 563668), (56, 463013), (82, 316204), (92, 281834), (161, 161048), (164, 158102), (184, 140917), (287, 90344), (322, 80524), (328, 79051), (491, 52808), (574, 45172), (644, 40262), (943, 27496), (982, 26404), (1148, 22586), (1288, 20131), (1886, 13748), (1964, 13202), (2296, 11293), (3437, 7544), (3772, 6874), (3928, 6601)]