25571728

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 90

約数和(自身を含む): 62732034

約数和(自身を除く): 37160306

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 169, 182, 193, 196, 208, 338, 364, 386, 392, 637, 676, 728, 772, 784, 1183, 1274, 1351, 1352, 1456, 1544, 2366, 2509, 2548, 2702, 2704, 3088, 4732, 5018, 5096, 5404, 8281, 9457, 9464, 10036, 10192, 10808, 16562, 17563, 18914, 18928, 20072, 21616, 32617, 33124, 35126, 37828, 40144, 65234, 66248, 70252, 75656, 122941, 130468, 132496, 140504, 151312, 228319, 245882, 260936, 281008, 456638, 491764, 521872, 913276, 983528, 1598233, 1826552, 1967056, 3196466, 3653104, 6392932, 12785864, 25571728]

約数ペア:

[(1, 25571728), (2, 12785864), (4, 6392932), (7, 3653104), (8, 3196466), (13, 1967056), (14, 1826552), (16, 1598233), (26, 983528), (28, 913276), (49, 521872), (52, 491764), (56, 456638), (91, 281008), (98, 260936), (104, 245882), (112, 228319), (169, 151312), (182, 140504), (193, 132496), (196, 130468), (208, 122941), (338, 75656), (364, 70252), (386, 66248), (392, 65234), (637, 40144), (676, 37828), (728, 35126), (772, 33124), (784, 32617), (1183, 21616), (1274, 20072), (1351, 18928), (1352, 18914), (1456, 17563), (1544, 16562), (2366, 10808), (2509, 10192), (2548, 10036), (2702, 9464), (2704, 9457), (3088, 8281), (4732, 5404), (5018, 5096)]