401942512

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{1019}}^1$

素因数の和:1393

約数の個数: 40

約数和(自身を含む): 791132400

約数和(自身を除く): 389189888

約数列:

[1, 2, 4, 8, 16, 89, 178, 277, 356, 554, 712, 1019, 1108, 1424, 2038, 2216, 4076, 4432, 8152, 16304, 24653, 49306, 90691, 98612, 181382, 197224, 282263, 362764, 394448, 564526, 725528, 1129052, 1451056, 2258104, 4516208, 25121407, 50242814, 100485628, 200971256, 401942512]

約数ペア:

[(1, 401942512), (2, 200971256), (4, 100485628), (8, 50242814), (16, 25121407), (89, 4516208), (178, 2258104), (277, 1451056), (356, 1129052), (554, 725528), (712, 564526), (1019, 394448), (1108, 362764), (1424, 282263), (2038, 197224), (2216, 181382), (4076, 98612), (4432, 90691), (8152, 49306), (16304, 24653)]