61391888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{201947}}^1$

素因数の和:201974

約数の個数: 20

約数和(自身を含む): 125207760

約数和(自身を除く): 63815872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 201947, 403894, 807788, 1615576, 3231152, 3836993, 7673986, 15347972, 30695944, 61391888]

約数ペア:

[(1, 61391888), (2, 30695944), (4, 15347972), (8, 7673986), (16, 3836993), (19, 3231152), (38, 1615576), (76, 807788), (152, 403894), (304, 201947)]