81540816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{242681}}^1$

素因数の和:242699

約数の個数: 40

約数和(自身を含む): 240740544

約数和(自身を除く): 159199728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 242681, 485362, 728043, 970724, 1456086, 1698767, 1941448, 2912172, 3397534, 3882896, 5096301, 5824344, 6795068, 10192602, 11648688, 13590136, 20385204, 27180272, 40770408, 81540816]

約数ペア:

[(1, 81540816), (2, 40770408), (3, 27180272), (4, 20385204), (6, 13590136), (7, 11648688), (8, 10192602), (12, 6795068), (14, 5824344), (16, 5096301), (21, 3882896), (24, 3397534), (28, 2912172), (42, 1941448), (48, 1698767), (56, 1456086), (84, 970724), (112, 728043), (168, 485362), (336, 242681)]