31415944

素因数分解:

$2^3\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1399}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 67536000

約数和(自身を除く): 36120056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 401, 802, 1399, 1604, 2798, 2807, 3208, 5596, 5614, 9793, 11192, 11228, 19586, 22456, 39172, 78344, 560999, 1121998, 2243996, 3926993, 4487992, 7853986, 15707972, 31415944]

約数ペア:

[(1, 31415944), (2, 15707972), (4, 7853986), (7, 4487992), (8, 3926993), (14, 2243996), (28, 1121998), (56, 560999), (401, 78344), (802, 39172), (1399, 22456), (1604, 19586), (2798, 11228), (2807, 11192), (3208, 9793), (5596, 5614)]