678581792

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{25457}}^1$

素因数の和:25498

約数の個数: 72

約数和(自身を含む): 1645554204

約数和(自身を除く): 966972412

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 3332, 3808, 6664, 13328, 25457, 26656, 50914, 101828, 178199, 203656, 356398, 407312, 432769, 712796, 814624, 865538, 1247393, 1425592, 1731076, 2494786, 2851184, 3029383, 3462152, 4989572, 5702368, 6058766, 6924304, 9979144, 12117532, 13848608, 19958288, 21205681, 24235064, 39916576, 42411362, 48470128, 84822724, 96940256, 169645448, 339290896, 678581792]

約数ペア:

[(1, 678581792), (2, 339290896), (4, 169645448), (7, 96940256), (8, 84822724), (14, 48470128), (16, 42411362), (17, 39916576), (28, 24235064), (32, 21205681), (34, 19958288), (49, 13848608), (56, 12117532), (68, 9979144), (98, 6924304), (112, 6058766), (119, 5702368), (136, 4989572), (196, 3462152), (224, 3029383), (238, 2851184), (272, 2494786), (392, 1731076), (476, 1425592), (544, 1247393), (784, 865538), (833, 814624), (952, 712796), (1568, 432769), (1666, 407312), (1904, 356398), (3332, 203656), (3808, 178199), (6664, 101828), (13328, 50914), (25457, 26656)]