495870986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 810432000

約数和(自身を除く): 314561014

約数列:

[1, 2, 13, 26, 199, 239, 398, 401, 478, 802, 2587, 3107, 5174, 5213, 6214, 10426, 47561, 79799, 95122, 95839, 159598, 191678, 618293, 1037387, 1236586, 1245907, 2074774, 2491814, 19071961, 38143922, 247935493, 495870986]

約数ペア:

[(1, 495870986), (2, 247935493), (13, 38143922), (26, 19071961), (199, 2491814), (239, 2074774), (398, 1245907), (401, 1236586), (478, 1037387), (802, 618293), (2587, 191678), (3107, 159598), (5174, 95839), (5213, 95122), (6214, 79799), (10426, 47561)]