71668528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 144562176

約数和(自身を除く): 72893648

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 131, 248, 262, 496, 524, 1048, 1103, 2096, 2206, 4061, 4412, 8122, 8824, 16244, 17648, 32488, 34193, 64976, 68386, 136772, 144493, 273544, 288986, 547088, 577972, 1155944, 2311888, 4479283, 8958566, 17917132, 35834264, 71668528]

約数ペア:

[(1, 71668528), (2, 35834264), (4, 17917132), (8, 8958566), (16, 4479283), (31, 2311888), (62, 1155944), (124, 577972), (131, 547088), (248, 288986), (262, 273544), (496, 144493), (524, 136772), (1048, 68386), (1103, 64976), (2096, 34193), (2206, 32488), (4061, 17648), (4412, 16244), (8122, 8824)]