28048072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 58503060

約数和(自身を除く): 30454988

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 197, 296, 394, 481, 788, 962, 1369, 1576, 1924, 2561, 2738, 3848, 5122, 5476, 7289, 10244, 10952, 14578, 17797, 20488, 29156, 35594, 58312, 71188, 94757, 142376, 189514, 269693, 379028, 539386, 758056, 1078772, 2157544, 3506009, 7012018, 14024036, 28048072]

約数ペア:

[(1, 28048072), (2, 14024036), (4, 7012018), (8, 3506009), (13, 2157544), (26, 1078772), (37, 758056), (52, 539386), (74, 379028), (104, 269693), (148, 189514), (197, 142376), (296, 94757), (394, 71188), (481, 58312), (788, 35594), (962, 29156), (1369, 20488), (1576, 17797), (1924, 14578), (2561, 10952), (2738, 10244), (3848, 7289), (5122, 5476)]