689042848

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1283}}^1\times {\mathrm{1291}}^1$

素因数の和:2597

約数の個数: 48

約数和(自身を含む): 1463174496

約数和(自身を除く): 774131648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1283, 1291, 2566, 2582, 5132, 5164, 10264, 10328, 16679, 16783, 20528, 20656, 33358, 33566, 41056, 41312, 66716, 67132, 133432, 134264, 266864, 268528, 533728, 537056, 1656353, 3312706, 6625412, 13250824, 21532589, 26501648, 43065178, 53003296, 86130356, 172260712, 344521424, 689042848]

約数ペア:

[(1, 689042848), (2, 344521424), (4, 172260712), (8, 86130356), (13, 53003296), (16, 43065178), (26, 26501648), (32, 21532589), (52, 13250824), (104, 6625412), (208, 3312706), (416, 1656353), (1283, 537056), (1291, 533728), (2566, 268528), (2582, 266864), (5132, 134264), (5164, 133432), (10264, 67132), (10328, 66716), (16679, 41312), (16783, 41056), (20528, 33566), (20656, 33358)]