81303456

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65147}}^1$

素因数の和:65173

約数の個数: 48

約数和(自身を含む): 229842144

約数和(自身を除く): 148538688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 65147, 130294, 195441, 260588, 390882, 521176, 781764, 846911, 1042352, 1563528, 1693822, 2084704, 2540733, 3127056, 3387644, 5081466, 6254112, 6775288, 10162932, 13550576, 20325864, 27101152, 40651728, 81303456]

約数ペア:

[(1, 81303456), (2, 40651728), (3, 27101152), (4, 20325864), (6, 13550576), (8, 10162932), (12, 6775288), (13, 6254112), (16, 5081466), (24, 3387644), (26, 3127056), (32, 2540733), (39, 2084704), (48, 1693822), (52, 1563528), (78, 1042352), (96, 846911), (104, 781764), (156, 521176), (208, 390882), (312, 260588), (416, 195441), (624, 130294), (1248, 65147)]