289804988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{212467}}^1$

素因数の和:212513

約数の個数: 24

約数和(自身を含む): 571113984

約数和(自身を除く): 281308996

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 212467, 424934, 849868, 2337137, 4674274, 6586477, 9348548, 13172954, 26345908, 72451247, 144902494, 289804988]

約数ペア:

[(1, 289804988), (2, 144902494), (4, 72451247), (11, 26345908), (22, 13172954), (31, 9348548), (44, 6586477), (62, 4674274), (124, 2337137), (341, 849868), (682, 424934), (1364, 212467)]