398169616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{2083}}^1$

素因数の和:3023

約数の個数: 40

約数和(自身を含む): 832099520

約数和(自身を除く): 433929904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 919, 1838, 2083, 3676, 4166, 7352, 8332, 11947, 14704, 16664, 23894, 27079, 33328, 47788, 54158, 95576, 108316, 191152, 216632, 433264, 1914277, 3828554, 7657108, 15314216, 24885601, 30628432, 49771202, 99542404, 199084808, 398169616]

約数ペア:

[(1, 398169616), (2, 199084808), (4, 99542404), (8, 49771202), (13, 30628432), (16, 24885601), (26, 15314216), (52, 7657108), (104, 3828554), (208, 1914277), (919, 433264), (1838, 216632), (2083, 191152), (3676, 108316), (4166, 95576), (7352, 54158), (8332, 47788), (11947, 33328), (14704, 27079), (16664, 23894)]