320419712

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 653138640

約数和(自身を除く): 332718928

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 131, 194, 197, 262, 388, 394, 524, 776, 788, 1048, 1552, 1576, 2096, 3104, 3152, 4192, 6208, 6304, 8384, 12416, 12608, 12707, 16768, 19109, 25216, 25414, 25807, 38218, 50828, 51614, 76436, 101656, 103228, 152872, 203312, 206456, 305744, 406624, 412912, 611488, 813248, 825824, 1222976, 1626496, 1651648, 2445952, 2503279, 3303296, 5006558, 10013116, 20026232, 40052464, 80104928, 160209856, 320419712]

約数ペア:

[(1, 320419712), (2, 160209856), (4, 80104928), (8, 40052464), (16, 20026232), (32, 10013116), (64, 5006558), (97, 3303296), (128, 2503279), (131, 2445952), (194, 1651648), (197, 1626496), (262, 1222976), (388, 825824), (394, 813248), (524, 611488), (776, 412912), (788, 406624), (1048, 305744), (1552, 206456), (1576, 203312), (2096, 152872), (3104, 103228), (3152, 101656), (4192, 76436), (6208, 51614), (6304, 50828), (8384, 38218), (12416, 25807), (12608, 25414), (12707, 25216), (16768, 19109)]