25321986

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 56926584

約数和(自身を除く): 31604598

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 193, 197, 222, 333, 386, 394, 579, 591, 666, 1158, 1182, 1737, 1773, 3474, 3546, 7141, 7289, 14282, 14578, 21423, 21867, 38021, 42846, 43734, 64269, 65601, 76042, 114063, 128538, 131202, 228126, 342189, 684378, 1406777, 2813554, 4220331, 8440662, 12660993, 25321986]

約数ペア:

[(1, 25321986), (2, 12660993), (3, 8440662), (6, 4220331), (9, 2813554), (18, 1406777), (37, 684378), (74, 342189), (111, 228126), (193, 131202), (197, 128538), (222, 114063), (333, 76042), (386, 65601), (394, 64269), (579, 43734), (591, 42846), (666, 38021), (1158, 21867), (1182, 21423), (1737, 14578), (1773, 14282), (3474, 7289), (3546, 7141)]