81230864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2731}}^1$

素因数の和:2776

約数の個数: 60

約数和(自身を含む): 185983632

約数和(自身を除く): 104752768

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 572, 676, 1144, 1352, 1859, 2288, 2704, 2731, 3718, 5462, 7436, 10924, 14872, 21848, 29744, 30041, 35503, 43696, 60082, 71006, 120164, 142012, 240328, 284024, 390533, 461539, 480656, 568048, 781066, 923078, 1562132, 1846156, 3124264, 3692312, 5076929, 6248528, 7384624, 10153858, 20307716, 40615432, 81230864]

約数ペア:

[(1, 81230864), (2, 40615432), (4, 20307716), (8, 10153858), (11, 7384624), (13, 6248528), (16, 5076929), (22, 3692312), (26, 3124264), (44, 1846156), (52, 1562132), (88, 923078), (104, 781066), (143, 568048), (169, 480656), (176, 461539), (208, 390533), (286, 284024), (338, 240328), (572, 142012), (676, 120164), (1144, 71006), (1352, 60082), (1859, 43696), (2288, 35503), (2704, 30041), (2731, 29744), (3718, 21848), (5462, 14872), (7436, 10924)]