68759984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{138629}}^1$

素因数の和:138668

約数の個数: 20

約数和(自身を含む): 137520960

約数和(自身を除く): 68760976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 138629, 277258, 554516, 1109032, 2218064, 4297499, 8594998, 17189996, 34379992, 68759984]

約数ペア:

[(1, 68759984), (2, 34379992), (4, 17189996), (8, 8594998), (16, 4297499), (31, 2218064), (62, 1109032), (124, 554516), (248, 277258), (496, 138629)]