78938236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{733}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 158250400

約数和(自身を除く): 79312164

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 218, 247, 436, 494, 733, 988, 1417, 1466, 2071, 2834, 2932, 4142, 5668, 8284, 9529, 13927, 19058, 26923, 27854, 38116, 53846, 55708, 79897, 107692, 159794, 181051, 319588, 362102, 724204, 1038661, 1518043, 2077322, 3036086, 4154644, 6072172, 19734559, 39469118, 78938236]

約数ペア:

[(1, 78938236), (2, 39469118), (4, 19734559), (13, 6072172), (19, 4154644), (26, 3036086), (38, 2077322), (52, 1518043), (76, 1038661), (109, 724204), (218, 362102), (247, 319588), (436, 181051), (494, 159794), (733, 107692), (988, 79897), (1417, 55708), (1466, 53846), (2071, 38116), (2834, 27854), (2932, 26923), (4142, 19058), (5668, 13927), (8284, 9529)]