81503408

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17749}}^1$

素因数の和:17805

約数の個数: 40

約数和(自身を含む): 184884000

約数和(自身を除く): 103380592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 17749, 35498, 70996, 124243, 141992, 248486, 283984, 496972, 727709, 993944, 1455418, 1987888, 2910836, 5093963, 5821672, 10187926, 11643344, 20375852, 40751704, 81503408]

約数ペア:

[(1, 81503408), (2, 40751704), (4, 20375852), (7, 11643344), (8, 10187926), (14, 5821672), (16, 5093963), (28, 2910836), (41, 1987888), (56, 1455418), (82, 993944), (112, 727709), (164, 496972), (287, 283984), (328, 248486), (574, 141992), (656, 124243), (1148, 70996), (2296, 35498), (4592, 17749)]