31218852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{887}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 83543040

約数和(自身を除く): 52324188

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 419, 838, 887, 1257, 1676, 1774, 2514, 2661, 2933, 3548, 5028, 5322, 5866, 6209, 8799, 10644, 11732, 12418, 17598, 18627, 24836, 35196, 37254, 74508, 371653, 743306, 1114959, 1486612, 2229918, 2601571, 4459836, 5203142, 7804713, 10406284, 15609426, 31218852]

約数ペア:

[(1, 31218852), (2, 15609426), (3, 10406284), (4, 7804713), (6, 5203142), (7, 4459836), (12, 2601571), (14, 2229918), (21, 1486612), (28, 1114959), (42, 743306), (84, 371653), (419, 74508), (838, 37254), (887, 35196), (1257, 24836), (1676, 18627), (1774, 17598), (2514, 12418), (2661, 11732), (2933, 10644), (3548, 8799), (5028, 6209), (5322, 5866)]