28517216

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1436

約数の個数: 72

約数和(自身を含む): 70383600

約数和(自身を除く): 41866384

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1399, 1456, 1568, 2548, 2798, 2912, 5096, 5596, 9793, 10192, 11192, 18187, 19586, 20384, 22384, 36374, 39172, 44768, 68551, 72748, 78344, 127309, 137102, 145496, 156688, 254618, 274204, 290992, 313376, 509236, 548408, 581984, 891163, 1018472, 1096816, 1782326, 2036944, 2193632, 3564652, 4073888, 7129304, 14258608, 28517216]

約数ペア:

[(1, 28517216), (2, 14258608), (4, 7129304), (7, 4073888), (8, 3564652), (13, 2193632), (14, 2036944), (16, 1782326), (26, 1096816), (28, 1018472), (32, 891163), (49, 581984), (52, 548408), (56, 509236), (91, 313376), (98, 290992), (104, 274204), (112, 254618), (182, 156688), (196, 145496), (208, 137102), (224, 127309), (364, 78344), (392, 72748), (416, 68551), (637, 44768), (728, 39172), (784, 36374), (1274, 22384), (1399, 20384), (1456, 19586), (1568, 18187), (2548, 11192), (2798, 10192), (2912, 9793), (5096, 5596)]