28009784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4483}}^1$

素因数の和:4571

約数の個数: 32

約数和(自身を含む): 58112640

約数和(自身を除く): 30102856

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 4483, 6248, 8966, 17932, 35864, 49313, 98626, 197252, 318293, 394504, 636586, 1273172, 2546344, 3501223, 7002446, 14004892, 28009784]

約数ペア:

[(1, 28009784), (2, 14004892), (4, 7002446), (8, 3501223), (11, 2546344), (22, 1273172), (44, 636586), (71, 394504), (88, 318293), (142, 197252), (284, 98626), (568, 49313), (781, 35864), (1562, 17932), (3124, 8966), (4483, 6248)]