13680368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 28904400

約数和(自身を除く): 15224032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 739, 1157, 1424, 1478, 2314, 2956, 4628, 5912, 9256, 9607, 11824, 18512, 19214, 38428, 65771, 76856, 131542, 153712, 263084, 526168, 855023, 1052336, 1710046, 3420092, 6840184, 13680368]

約数ペア:

[(1, 13680368), (2, 6840184), (4, 3420092), (8, 1710046), (13, 1052336), (16, 855023), (26, 526168), (52, 263084), (89, 153712), (104, 131542), (178, 76856), (208, 65771), (356, 38428), (712, 19214), (739, 18512), (1157, 11824), (1424, 9607), (1478, 9256), (2314, 5912), (2956, 4628)]