290534128

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{863}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 575641728

約数和(自身を除く): 285107600

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 397, 424, 794, 848, 863, 1588, 1726, 3176, 3452, 6352, 6904, 13808, 21041, 42082, 45739, 84164, 91478, 168328, 182956, 336656, 342611, 365912, 685222, 731824, 1370444, 2740888, 5481776, 18158383, 36316766, 72633532, 145267064, 290534128]

約数ペア:

[(1, 290534128), (2, 145267064), (4, 72633532), (8, 36316766), (16, 18158383), (53, 5481776), (106, 2740888), (212, 1370444), (397, 731824), (424, 685222), (794, 365912), (848, 342611), (863, 336656), (1588, 182956), (1726, 168328), (3176, 91478), (3452, 84164), (6352, 45739), (6904, 42082), (13808, 21041)]