778833664

素因数分解:

$2^8\times 7^1\times {\mathrm{613}}^1\times {\mathrm{709}}^1$

素因数の和:1345

約数の個数: 72

約数和(自身を含む): 1782122720

約数和(自身を除く): 1003289056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 613, 709, 896, 1226, 1418, 1792, 2452, 2836, 4291, 4904, 4963, 5672, 8582, 9808, 9926, 11344, 17164, 19616, 19852, 22688, 34328, 39232, 39704, 45376, 68656, 78464, 79408, 90752, 137312, 156928, 158816, 181504, 274624, 317632, 434617, 549248, 635264, 869234, 1098496, 1270528, 1738468, 3042319, 3476936, 6084638, 6953872, 12169276, 13907744, 24338552, 27815488, 48677104, 55630976, 97354208, 111261952, 194708416, 389416832, 778833664]

約数ペア:

[(1, 778833664), (2, 389416832), (4, 194708416), (7, 111261952), (8, 97354208), (14, 55630976), (16, 48677104), (28, 27815488), (32, 24338552), (56, 13907744), (64, 12169276), (112, 6953872), (128, 6084638), (224, 3476936), (256, 3042319), (448, 1738468), (613, 1270528), (709, 1098496), (896, 869234), (1226, 635264), (1418, 549248), (1792, 434617), (2452, 317632), (2836, 274624), (4291, 181504), (4904, 158816), (4963, 156928), (5672, 137312), (8582, 90752), (9808, 79408), (9926, 78464), (11344, 68656), (17164, 45376), (19616, 39704), (19852, 39232), (22688, 34328)]