161796128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{388933}}^1$

素因数の和:388956

約数の個数: 24

約数和(自身を含む): 343039788

約数和(自身を除く): 181243660

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 388933, 777866, 1555732, 3111464, 5056129, 6222928, 10112258, 12445856, 20224516, 40449032, 80898064, 161796128]

約数ペア:

[(1, 161796128), (2, 80898064), (4, 40449032), (8, 20224516), (13, 12445856), (16, 10112258), (26, 6222928), (32, 5056129), (52, 3111464), (104, 1555732), (208, 777866), (416, 388933)]