81839072

素因数分解:

$2^5\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1291}}^1$

素因数の和:1591

約数の個数: 48

約数和(自身を含む): 184931712

約数和(自身を除く): 103092640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 283, 566, 1132, 1291, 1981, 2264, 2582, 3962, 4528, 5164, 7924, 9037, 9056, 10328, 15848, 18074, 20656, 31696, 36148, 41312, 63392, 72296, 144592, 289184, 365353, 730706, 1461412, 2557471, 2922824, 5114942, 5845648, 10229884, 11691296, 20459768, 40919536, 81839072]

約数ペア:

[(1, 81839072), (2, 40919536), (4, 20459768), (7, 11691296), (8, 10229884), (14, 5845648), (16, 5114942), (28, 2922824), (32, 2557471), (56, 1461412), (112, 730706), (224, 365353), (283, 289184), (566, 144592), (1132, 72296), (1291, 63392), (1981, 41312), (2264, 36148), (2582, 31696), (3962, 20656), (4528, 18074), (5164, 15848), (7924, 10328), (9037, 9056)]