71819216

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8117}}^1$

素因数の和:8211

約数の個数: 40

約数和(自身を含む): 161061120

約数和(自身を除く): 89241904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8117, 8848, 16234, 32468, 56819, 64936, 113638, 129872, 227276, 454552, 641243, 909104, 1282486, 2564972, 4488701, 5129944, 8977402, 10259888, 17954804, 35909608, 71819216]

約数ペア:

[(1, 71819216), (2, 35909608), (4, 17954804), (7, 10259888), (8, 8977402), (14, 5129944), (16, 4488701), (28, 2564972), (56, 1282486), (79, 909104), (112, 641243), (158, 454552), (316, 227276), (553, 129872), (632, 113638), (1106, 64936), (1264, 56819), (2212, 32468), (4424, 16234), (8117, 8848)]