16649784

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3257}}^1$

素因数の和:3340

約数の個数: 48

約数和(自身を含む): 45742320

約数和(自身を除く): 29092536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 3257, 5112, 6514, 9771, 13028, 19542, 26056, 29313, 39084, 58626, 78168, 117252, 231247, 234504, 462494, 693741, 924988, 1387482, 1849976, 2081223, 2774964, 4162446, 5549928, 8324892, 16649784]

約数ペア:

[(1, 16649784), (2, 8324892), (3, 5549928), (4, 4162446), (6, 2774964), (8, 2081223), (9, 1849976), (12, 1387482), (18, 924988), (24, 693741), (36, 462494), (71, 234504), (72, 231247), (142, 117252), (213, 78168), (284, 58626), (426, 39084), (568, 29313), (639, 26056), (852, 19542), (1278, 13028), (1704, 9771), (2556, 6514), (3257, 5112)]