28410776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 56334000

約数和(自身を除く): 27923224

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 409, 457, 818, 914, 1636, 1828, 3272, 3656, 7771, 8683, 15542, 17366, 31084, 34732, 62168, 69464, 186913, 373826, 747652, 1495304, 3551347, 7102694, 14205388, 28410776]

約数ペア:

[(1, 28410776), (2, 14205388), (4, 7102694), (8, 3551347), (19, 1495304), (38, 747652), (76, 373826), (152, 186913), (409, 69464), (457, 62168), (818, 34732), (914, 31084), (1636, 17366), (1828, 15542), (3272, 8683), (3656, 7771)]