399857328

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{213599}}^1$

素因数の和:213626

約数の個数: 60

約数和(自身を含む): 1205131200

約数和(自身を除く): 805273872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 213599, 427198, 640797, 854396, 1281594, 1708792, 1922391, 2563188, 2776787, 3417584, 3844782, 5126376, 5553574, 7689564, 8330361, 10252752, 11107148, 15379128, 16660722, 22214296, 24991083, 30758256, 33321444, 44428592, 49982166, 66642888, 99964332, 133285776, 199928664, 399857328]

約数ペア:

[(1, 399857328), (2, 199928664), (3, 133285776), (4, 99964332), (6, 66642888), (8, 49982166), (9, 44428592), (12, 33321444), (13, 30758256), (16, 24991083), (18, 22214296), (24, 16660722), (26, 15379128), (36, 11107148), (39, 10252752), (48, 8330361), (52, 7689564), (72, 5553574), (78, 5126376), (104, 3844782), (117, 3417584), (144, 2776787), (156, 2563188), (208, 1922391), (234, 1708792), (312, 1281594), (468, 854396), (624, 640797), (936, 427198), (1872, 213599)]