28658312

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 55096320

約数和(自身を除く): 26438008

約数列:

[1, 2, 4, 8, 67, 127, 134, 254, 268, 421, 508, 536, 842, 1016, 1684, 3368, 8509, 17018, 28207, 34036, 53467, 56414, 68072, 106934, 112828, 213868, 225656, 427736, 3582289, 7164578, 14329156, 28658312]

約数ペア:

[(1, 28658312), (2, 14329156), (4, 7164578), (8, 3582289), (67, 427736), (127, 225656), (134, 213868), (254, 112828), (268, 106934), (421, 68072), (508, 56414), (536, 53467), (842, 34036), (1016, 28207), (1684, 17018), (3368, 8509)]