31873036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 62233920

約数和(自身を除く): 30360884

約数列:

[1, 2, 4, 13, 26, 52, 71, 89, 97, 142, 178, 194, 284, 356, 388, 923, 1157, 1261, 1846, 2314, 2522, 3692, 4628, 5044, 6319, 6887, 8633, 12638, 13774, 17266, 25276, 27548, 34532, 82147, 89531, 112229, 164294, 179062, 224458, 328588, 358124, 448916, 612943, 1225886, 2451772, 7968259, 15936518, 31873036]

約数ペア:

[(1, 31873036), (2, 15936518), (4, 7968259), (13, 2451772), (26, 1225886), (52, 612943), (71, 448916), (89, 358124), (97, 328588), (142, 224458), (178, 179062), (194, 164294), (284, 112229), (356, 89531), (388, 82147), (923, 34532), (1157, 27548), (1261, 25276), (1846, 17266), (2314, 13774), (2522, 12638), (3692, 8633), (4628, 6887), (5044, 6319)]