78298544

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257561}}^1$

素因数の和:257588

約数の個数: 20

約数和(自身を含む): 159688440

約数和(自身を除く): 81389896

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 257561, 515122, 1030244, 2060488, 4120976, 4893659, 9787318, 19574636, 39149272, 78298544]

約数ペア:

[(1, 78298544), (2, 39149272), (4, 19574636), (8, 9787318), (16, 4893659), (19, 4120976), (38, 2060488), (76, 1030244), (152, 515122), (304, 257561)]