28481752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 57960000

約数和(自身を除く): 29478248

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1781, 1999, 3562, 3998, 7124, 7996, 14248, 15992, 25987, 51974, 103948, 207896, 273863, 547726, 1095452, 2190904, 3560219, 7120438, 14240876, 28481752]

約数ペア:

[(1, 28481752), (2, 14240876), (4, 7120438), (8, 3560219), (13, 2190904), (26, 1095452), (52, 547726), (104, 273863), (137, 207896), (274, 103948), (548, 51974), (1096, 25987), (1781, 15992), (1999, 14248), (3562, 7996), (3998, 7124)]