312912496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{5431}}^1$

素因数の和:5729

約数の個数: 40

約数和(自身を含む): 655381664

約数和(自身を除く): 342469168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 277, 554, 1108, 2216, 3601, 4432, 5431, 7202, 10862, 14404, 21724, 28808, 43448, 57616, 70603, 86896, 141206, 282412, 564824, 1129648, 1504387, 3008774, 6017548, 12035096, 19557031, 24070192, 39114062, 78228124, 156456248, 312912496]

約数ペア:

[(1, 312912496), (2, 156456248), (4, 78228124), (8, 39114062), (13, 24070192), (16, 19557031), (26, 12035096), (52, 6017548), (104, 3008774), (208, 1504387), (277, 1129648), (554, 564824), (1108, 282412), (2216, 141206), (3601, 86896), (4432, 70603), (5431, 57616), (7202, 43448), (10862, 28808), (14404, 21724)]