864991682

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{3943}}^1$

素因数の和:4238

約数の個数: 32

約数和(自身を含む): 1431198720

約数和(自身を除く): 566207038

約数列:

[1, 2, 19, 23, 38, 46, 251, 437, 502, 874, 3943, 4769, 5773, 7886, 9538, 11546, 74917, 90689, 109687, 149834, 181378, 219374, 989693, 1723091, 1979386, 3446182, 18804167, 22762939, 37608334, 45525878, 432495841, 864991682]

約数ペア:

[(1, 864991682), (2, 432495841), (19, 45525878), (23, 37608334), (38, 22762939), (46, 18804167), (251, 3446182), (437, 1979386), (502, 1723091), (874, 989693), (3943, 219374), (4769, 181378), (5773, 149834), (7886, 109687), (9538, 90689), (11546, 74917)]