209213816

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{91121}}^1$

素因数の和:91175

約数の個数: 32

約数和(自身を含む): 459254880

約数和(自身を除く): 250041064

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 91121, 182242, 364484, 637847, 728968, 1275694, 2551388, 3735961, 5102776, 7471922, 14943844, 26151727, 29887688, 52303454, 104606908, 209213816]

約数ペア:

[(1, 209213816), (2, 104606908), (4, 52303454), (7, 29887688), (8, 26151727), (14, 14943844), (28, 7471922), (41, 5102776), (56, 3735961), (82, 2551388), (164, 1275694), (287, 728968), (328, 637847), (574, 364484), (1148, 182242), (2296, 91121)]