81841648

素因数分解:

$2^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4483}}^1$

素因数の和:4661

約数の個数: 40

約数和(自身を含む): 182373248

約数和(自身を除く): 100531600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163, 326, 652, 1141, 1304, 2282, 2608, 4483, 4564, 8966, 9128, 17932, 18256, 31381, 35864, 62762, 71728, 125524, 251048, 502096, 730729, 1461458, 2922916, 5115103, 5845832, 10230206, 11691664, 20460412, 40920824, 81841648]

約数ペア:

[(1, 81841648), (2, 40920824), (4, 20460412), (7, 11691664), (8, 10230206), (14, 5845832), (16, 5115103), (28, 2922916), (56, 1461458), (112, 730729), (163, 502096), (326, 251048), (652, 125524), (1141, 71728), (1304, 62762), (2282, 35864), (2608, 31381), (4483, 18256), (4564, 17932), (8966, 9128)]