257236624

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{1237}}^1$

素因数の和:1603

約数の個数: 40

約数和(自身を含む): 512576568

約数和(自身を除く): 255339944

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 317, 328, 634, 656, 1237, 1268, 2474, 2536, 4948, 5072, 9896, 12997, 19792, 25994, 50717, 51988, 101434, 103976, 202868, 207952, 392129, 405736, 784258, 811472, 1568516, 3137032, 6274064, 16077289, 32154578, 64309156, 128618312, 257236624]

約数ペア:

[(1, 257236624), (2, 128618312), (4, 64309156), (8, 32154578), (16, 16077289), (41, 6274064), (82, 3137032), (164, 1568516), (317, 811472), (328, 784258), (634, 405736), (656, 392129), (1237, 207952), (1268, 202868), (2474, 103976), (2536, 101434), (4948, 51988), (5072, 50717), (9896, 25994), (12997, 19792)]