813869864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{49123}}^1$

素因数の和:49257

約数の個数: 32

約数和(自身を含む): 1621092000

約数和(自身を除く): 807222136

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 2071, 4142, 8284, 16568, 49123, 98246, 196492, 392984, 933337, 1866674, 3733348, 5354407, 7466696, 10708814, 21417628, 42835256, 101733733, 203467466, 406934932, 813869864]

約数ペア:

[(1, 813869864), (2, 406934932), (4, 203467466), (8, 101733733), (19, 42835256), (38, 21417628), (76, 10708814), (109, 7466696), (152, 5354407), (218, 3733348), (436, 1866674), (872, 933337), (2071, 392984), (4142, 196492), (8284, 98246), (16568, 49123)]