209456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 40

約数和(自身を含む): 468720

約数和(自身を除く): 259264

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 53, 76, 104, 106, 152, 208, 212, 247, 304, 424, 494, 689, 848, 988, 1007, 1378, 1976, 2014, 2756, 3952, 4028, 5512, 8056, 11024, 13091, 16112, 26182, 52364, 104728, 209456]

約数ペア:

[(1, 209456), (2, 104728), (4, 52364), (8, 26182), (13, 16112), (16, 13091), (19, 11024), (26, 8056), (38, 5512), (52, 4028), (53, 3952), (76, 2756), (104, 2014), (106, 1976), (152, 1378), (208, 1007), (212, 988), (247, 848), (304, 689), (424, 494)]