81878436

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{98887}}^1$

素因数の和:98920

約数の個数: 36

約数和(自身を含む): 215971392

約数和(自身を除く): 134092956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 98887, 197774, 296661, 395548, 593322, 889983, 1186644, 1779966, 2274401, 3559932, 4548802, 6823203, 9097604, 13646406, 20469609, 27292812, 40939218, 81878436]

約数ペア:

[(1, 81878436), (2, 40939218), (3, 27292812), (4, 20469609), (6, 13646406), (9, 9097604), (12, 6823203), (18, 4548802), (23, 3559932), (36, 2274401), (46, 1779966), (69, 1186644), (92, 889983), (138, 593322), (207, 395548), (276, 296661), (414, 197774), (828, 98887)]