13261456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:743

約数の個数: 40

約数和(自身を含む): 27984320

約数和(自身を除く): 14722864

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 619, 824, 1238, 1339, 1648, 2476, 2678, 4952, 5356, 8047, 9904, 10712, 16094, 21424, 32188, 63757, 64376, 127514, 128752, 255028, 510056, 828841, 1020112, 1657682, 3315364, 6630728, 13261456]

約数ペア:

[(1, 13261456), (2, 6630728), (4, 3315364), (8, 1657682), (13, 1020112), (16, 828841), (26, 510056), (52, 255028), (103, 128752), (104, 127514), (206, 64376), (208, 63757), (412, 32188), (619, 21424), (824, 16094), (1238, 10712), (1339, 9904), (1648, 8047), (2476, 5356), (2678, 4952)]