77859728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{286249}}^1$

素因数の和:286274

約数の個数: 20

約数和(自身を含む): 159727500

約数和(自身を除く): 81867772

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 286249, 572498, 1144996, 2289992, 4579984, 4866233, 9732466, 19464932, 38929864, 77859728]

約数ペア:

[(1, 77859728), (2, 38929864), (4, 19464932), (8, 9732466), (16, 4866233), (17, 4579984), (34, 2289992), (68, 1144996), (136, 572498), (272, 286249)]