86787628

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 154927584

約数和(自身を除く): 68139956

約数列:

[1, 2, 4, 61, 122, 244, 401, 802, 887, 1604, 1774, 3548, 24461, 48922, 54107, 97844, 108214, 216428, 355687, 711374, 1422748, 21696907, 43393814, 86787628]

約数ペア:

[(1, 86787628), (2, 43393814), (4, 21696907), (61, 1422748), (122, 711374), (244, 355687), (401, 216428), (802, 108214), (887, 97844), (1604, 54107), (1774, 48922), (3548, 24461)]