81185234

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 142300800

約数和(自身を除く): 61115566

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 169, 199, 221, 338, 398, 442, 923, 1207, 1846, 2414, 2587, 2873, 3383, 5174, 5746, 6766, 11999, 14129, 15691, 23998, 28258, 31382, 33631, 43979, 67262, 87958, 183677, 203983, 240193, 367354, 407966, 480386, 571727, 1143454, 2387801, 3122509, 4775602, 6245018, 40592617, 81185234]

約数ペア:

[(1, 81185234), (2, 40592617), (13, 6245018), (17, 4775602), (26, 3122509), (34, 2387801), (71, 1143454), (142, 571727), (169, 480386), (199, 407966), (221, 367354), (338, 240193), (398, 203983), (442, 183677), (923, 87958), (1207, 67262), (1846, 43979), (2414, 33631), (2587, 31382), (2873, 28258), (3383, 23998), (5174, 15691), (5746, 14129), (6766, 11999)]