31216796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 62920704

約数和(自身を除く): 31703908

約数列:

[1, 2, 4, 13, 23, 26, 43, 46, 52, 86, 92, 172, 299, 559, 598, 607, 989, 1118, 1196, 1214, 1978, 2236, 2428, 3956, 7891, 12857, 13961, 15782, 25714, 26101, 27922, 31564, 51428, 52202, 55844, 104404, 181493, 339313, 362986, 600323, 678626, 725972, 1200646, 1357252, 2401292, 7804199, 15608398, 31216796]

約数ペア:

[(1, 31216796), (2, 15608398), (4, 7804199), (13, 2401292), (23, 1357252), (26, 1200646), (43, 725972), (46, 678626), (52, 600323), (86, 362986), (92, 339313), (172, 181493), (299, 104404), (559, 55844), (598, 52202), (607, 51428), (989, 31564), (1118, 27922), (1196, 26101), (1214, 25714), (1978, 15782), (2236, 13961), (2428, 12857), (3956, 7891)]