644026852

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{1399}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 1323705600

約数和(自身を除く): 679678748

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 401, 574, 802, 1148, 1399, 1604, 2798, 2807, 5596, 5614, 9793, 11228, 16441, 19586, 32882, 39172, 57359, 65764, 114718, 115087, 229436, 230174, 401513, 460348, 560999, 803026, 1121998, 1606052, 2243996, 3926993, 7853986, 15707972, 23000959, 46001918, 92003836, 161006713, 322013426, 644026852]

約数ペア:

[(1, 644026852), (2, 322013426), (4, 161006713), (7, 92003836), (14, 46001918), (28, 23000959), (41, 15707972), (82, 7853986), (164, 3926993), (287, 2243996), (401, 1606052), (574, 1121998), (802, 803026), (1148, 560999), (1399, 460348), (1604, 401513), (2798, 230174), (2807, 229436), (5596, 115087), (5614, 114718), (9793, 65764), (11228, 57359), (16441, 39172), (19586, 32882)]