81171272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2593}}^1$

素因数の和:2662

約数の個数: 64

約数和(自身を含む): 191748480

約数和(自身を除く): 110577208

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 728, 1118, 1204, 2236, 2408, 2593, 3913, 4472, 5186, 7826, 10372, 15652, 18151, 20744, 31304, 33709, 36302, 67418, 72604, 111499, 134836, 145208, 222998, 235963, 269672, 445996, 471926, 780493, 891992, 943852, 1449487, 1560986, 1887704, 2898974, 3121972, 5797948, 6243944, 10146409, 11595896, 20292818, 40585636, 81171272]

約数ペア:

[(1, 81171272), (2, 40585636), (4, 20292818), (7, 11595896), (8, 10146409), (13, 6243944), (14, 5797948), (26, 3121972), (28, 2898974), (43, 1887704), (52, 1560986), (56, 1449487), (86, 943852), (91, 891992), (104, 780493), (172, 471926), (182, 445996), (301, 269672), (344, 235963), (364, 222998), (559, 145208), (602, 134836), (728, 111499), (1118, 72604), (1204, 67418), (2236, 36302), (2408, 33709), (2593, 31304), (3913, 20744), (4472, 18151), (5186, 15652), (7826, 10372)]