51855769

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 65120000

約数和(自身を除く): 13264231

約数列:

[1, 7, 19, 49, 73, 109, 133, 343, 511, 763, 931, 1387, 2071, 3577, 5341, 6517, 7957, 9709, 14497, 25039, 37387, 55699, 67963, 101479, 151183, 389893, 475741, 710353, 1058281, 2729251, 7407967, 51855769]

約数ペア:

[(1, 51855769), (7, 7407967), (19, 2729251), (49, 1058281), (73, 710353), (109, 475741), (133, 389893), (343, 151183), (511, 101479), (763, 67963), (931, 55699), (1387, 37387), (2071, 25039), (3577, 14497), (5341, 9709), (6517, 7957)]