81311946

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 178053120

約数和(自身を除く): 96741174

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 83, 93, 138, 166, 186, 229, 249, 458, 498, 687, 713, 1374, 1426, 1909, 2139, 2573, 3818, 4278, 5146, 5267, 5727, 7099, 7719, 10534, 11454, 14198, 15438, 15801, 19007, 21297, 31602, 38014, 42594, 57021, 59179, 114042, 118358, 163277, 177537, 326554, 355074, 437161, 489831, 589217, 874322, 979662, 1178434, 1311483, 1767651, 2622966, 3535302, 13551991, 27103982, 40655973, 81311946]

約数ペア:

[(1, 81311946), (2, 40655973), (3, 27103982), (6, 13551991), (23, 3535302), (31, 2622966), (46, 1767651), (62, 1311483), (69, 1178434), (83, 979662), (93, 874322), (138, 589217), (166, 489831), (186, 437161), (229, 355074), (249, 326554), (458, 177537), (498, 163277), (687, 118358), (713, 114042), (1374, 59179), (1426, 57021), (1909, 42594), (2139, 38014), (2573, 31602), (3818, 21297), (4278, 19007), (5146, 15801), (5267, 15438), (5727, 14198), (7099, 11454), (7719, 10534)]