321512828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2621}}^1$

素因数の和:2982

約数の個数: 48

約数和(自身を含む): 694809024

約数和(自身を除く): 373296196

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 337, 364, 674, 1348, 2359, 2621, 4381, 4718, 5242, 8762, 9436, 10484, 17524, 18347, 30667, 34073, 36694, 61334, 68146, 73388, 122668, 136292, 238511, 477022, 883277, 954044, 1766554, 3533108, 6182939, 11482601, 12365878, 22965202, 24731756, 45930404, 80378207, 160756414, 321512828]

約数ペア:

[(1, 321512828), (2, 160756414), (4, 80378207), (7, 45930404), (13, 24731756), (14, 22965202), (26, 12365878), (28, 11482601), (52, 6182939), (91, 3533108), (182, 1766554), (337, 954044), (364, 883277), (674, 477022), (1348, 238511), (2359, 136292), (2621, 122668), (4381, 73388), (4718, 68146), (5242, 61334), (8762, 36694), (9436, 34073), (10484, 30667), (17524, 18347)]