81872656

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:919

約数の個数: 40

約数和(自身を含む): 162739584

約数和(自身を除く): 80866928

約数列:

[1, 2, 4, 8, 16, 71, 97, 142, 194, 284, 388, 568, 743, 776, 1136, 1486, 1552, 2972, 5944, 6887, 11888, 13774, 27548, 52753, 55096, 72071, 105506, 110192, 144142, 211012, 288284, 422024, 576568, 844048, 1153136, 5117041, 10234082, 20468164, 40936328, 81872656]

約数ペア:

[(1, 81872656), (2, 40936328), (4, 20468164), (8, 10234082), (16, 5117041), (71, 1153136), (97, 844048), (142, 576568), (194, 422024), (284, 288284), (388, 211012), (568, 144142), (743, 110192), (776, 105506), (1136, 72071), (1486, 55096), (1552, 52753), (2972, 27548), (5944, 13774), (6887, 11888)]