81960128

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1161

約数の個数: 56

約数和(自身を含む): 174796704

約数和(自身を除く): 92836576

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 136, 142, 272, 284, 544, 568, 1061, 1088, 1136, 1207, 2122, 2272, 2414, 4244, 4544, 4828, 8488, 9656, 16976, 18037, 19312, 33952, 36074, 38624, 67904, 72148, 75331, 77248, 144296, 150662, 288592, 301324, 577184, 602648, 1154368, 1205296, 1280627, 2410592, 2561254, 4821184, 5122508, 10245016, 20490032, 40980064, 81960128]

約数ペア:

[(1, 81960128), (2, 40980064), (4, 20490032), (8, 10245016), (16, 5122508), (17, 4821184), (32, 2561254), (34, 2410592), (64, 1280627), (68, 1205296), (71, 1154368), (136, 602648), (142, 577184), (272, 301324), (284, 288592), (544, 150662), (568, 144296), (1061, 77248), (1088, 75331), (1136, 72148), (1207, 67904), (2122, 38624), (2272, 36074), (2414, 33952), (4244, 19312), (4544, 18037), (4828, 16976), (8488, 9656)]