74295728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{653}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 155542128

約数和(自身を除く): 81246400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 547, 653, 1094, 1306, 2188, 2612, 4376, 5224, 7111, 8489, 8752, 10448, 14222, 16978, 28444, 33956, 56888, 67912, 113776, 135824, 357191, 714382, 1428764, 2857528, 4643483, 5715056, 9286966, 18573932, 37147864, 74295728]

約数ペア:

[(1, 74295728), (2, 37147864), (4, 18573932), (8, 9286966), (13, 5715056), (16, 4643483), (26, 2857528), (52, 1428764), (104, 714382), (208, 357191), (547, 135824), (653, 113776), (1094, 67912), (1306, 56888), (2188, 33956), (2612, 28444), (4376, 16978), (5224, 14222), (7111, 10448), (8489, 8752)]