28767128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 62868960

約数和(自身を除く): 34101832

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 53, 68, 104, 106, 136, 212, 221, 307, 424, 442, 614, 689, 884, 901, 1228, 1378, 1768, 1802, 2456, 2756, 3604, 3991, 5219, 5512, 7208, 7982, 10438, 11713, 15964, 16271, 20876, 23426, 31928, 32542, 41752, 46852, 65084, 67847, 93704, 130168, 135694, 211523, 271388, 276607, 423046, 542776, 553214, 846092, 1106428, 1692184, 2212856, 3595891, 7191782, 14383564, 28767128]

約数ペア:

[(1, 28767128), (2, 14383564), (4, 7191782), (8, 3595891), (13, 2212856), (17, 1692184), (26, 1106428), (34, 846092), (52, 553214), (53, 542776), (68, 423046), (104, 276607), (106, 271388), (136, 211523), (212, 135694), (221, 130168), (307, 93704), (424, 67847), (442, 65084), (614, 46852), (689, 41752), (884, 32542), (901, 31928), (1228, 23426), (1378, 20876), (1768, 16271), (1802, 15964), (2456, 11713), (2756, 10438), (3604, 7982), (3991, 7208), (5219, 5512)]