1640874956

素因数分解:

$2^2\times 7^3\times {\mathrm{313}}^1\times {\mathrm{3821}}^1$

素因数の和:4159

約数の個数: 48

約数和(自身を含む): 3360302400

約数和(自身を除く): 1719427444

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 313, 343, 626, 686, 1252, 1372, 2191, 3821, 4382, 7642, 8764, 15284, 15337, 26747, 30674, 53494, 61348, 106988, 107359, 187229, 214718, 374458, 429436, 748916, 1195973, 1310603, 2391946, 2621206, 4783892, 5242412, 8371811, 16743622, 33487244, 58602677, 117205354, 234410708, 410218739, 820437478, 1640874956]

約数ペア:

[(1, 1640874956), (2, 820437478), (4, 410218739), (7, 234410708), (14, 117205354), (28, 58602677), (49, 33487244), (98, 16743622), (196, 8371811), (313, 5242412), (343, 4783892), (626, 2621206), (686, 2391946), (1252, 1310603), (1372, 1195973), (2191, 748916), (3821, 429436), (4382, 374458), (7642, 214718), (8764, 187229), (15284, 107359), (15337, 106988), (26747, 61348), (30674, 53494)]