28366688

素因数分解:

$2^5\times 7^2\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:332

約数の個数: 72

約数和(自身を含む): 66074400

約数和(自身を除く): 37707712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 79, 98, 112, 158, 196, 224, 229, 316, 392, 458, 553, 632, 784, 916, 1106, 1264, 1568, 1603, 1832, 2212, 2528, 3206, 3664, 3871, 4424, 6412, 7328, 7742, 8848, 11221, 12824, 15484, 17696, 18091, 22442, 25648, 30968, 36182, 44884, 51296, 61936, 72364, 89768, 123872, 126637, 144728, 179536, 253274, 289456, 359072, 506548, 578912, 886459, 1013096, 1772918, 2026192, 3545836, 4052384, 7091672, 14183344, 28366688]

約数ペア:

[(1, 28366688), (2, 14183344), (4, 7091672), (7, 4052384), (8, 3545836), (14, 2026192), (16, 1772918), (28, 1013096), (32, 886459), (49, 578912), (56, 506548), (79, 359072), (98, 289456), (112, 253274), (158, 179536), (196, 144728), (224, 126637), (229, 123872), (316, 89768), (392, 72364), (458, 61936), (553, 51296), (632, 44884), (784, 36182), (916, 30968), (1106, 25648), (1264, 22442), (1568, 18091), (1603, 17696), (1832, 15484), (2212, 12824), (2528, 11221), (3206, 8848), (3664, 7742), (3871, 7328), (4424, 6412)]