81926604

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:799

約数の個数: 72

約数和(自身を含む): 220540320

約数和(自身を除く): 138613716

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 263, 306, 509, 526, 612, 789, 1018, 1052, 1527, 1578, 2036, 2367, 3054, 3156, 4471, 4581, 4734, 6108, 8653, 8942, 9162, 9468, 13413, 17306, 17884, 18324, 25959, 26826, 34612, 40239, 51918, 53652, 77877, 80478, 103836, 133867, 155754, 160956, 267734, 311508, 401601, 535468, 803202, 1204803, 1606404, 2275739, 2409606, 4551478, 4819212, 6827217, 9102956, 13654434, 20481651, 27308868, 40963302, 81926604]

約数ペア:

[(1, 81926604), (2, 40963302), (3, 27308868), (4, 20481651), (6, 13654434), (9, 9102956), (12, 6827217), (17, 4819212), (18, 4551478), (34, 2409606), (36, 2275739), (51, 1606404), (68, 1204803), (102, 803202), (153, 535468), (204, 401601), (263, 311508), (306, 267734), (509, 160956), (526, 155754), (612, 133867), (789, 103836), (1018, 80478), (1052, 77877), (1527, 53652), (1578, 51918), (2036, 40239), (2367, 34612), (3054, 26826), (3156, 25959), (4471, 18324), (4581, 17884), (4734, 17306), (6108, 13413), (8653, 9468), (8942, 9162)]