66984944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1049}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 140355600

約数和(自身を除く): 73370656

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 307, 614, 1049, 1228, 2098, 2456, 3991, 4196, 4912, 7982, 8392, 13637, 15964, 16784, 27274, 31928, 54548, 63856, 109096, 218192, 322043, 644086, 1288172, 2576344, 4186559, 5152688, 8373118, 16746236, 33492472, 66984944]

約数ペア:

[(1, 66984944), (2, 33492472), (4, 16746236), (8, 8373118), (13, 5152688), (16, 4186559), (26, 2576344), (52, 1288172), (104, 644086), (208, 322043), (307, 218192), (614, 109096), (1049, 63856), (1228, 54548), (2098, 31928), (2456, 27274), (3991, 16784), (4196, 15964), (4912, 13637), (7982, 8392)]