12491605

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 18339840

約数和(自身を除く): 5848235

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 397, 899, 1015, 1085, 1985, 2779, 4495, 6293, 11513, 12307, 13895, 31465, 57565, 61535, 80591, 86149, 356903, 402955, 430745, 1784515, 2498321, 12491605]

約数ペア:

[(1, 12491605), (5, 2498321), (7, 1784515), (29, 430745), (31, 402955), (35, 356903), (145, 86149), (155, 80591), (203, 61535), (217, 57565), (397, 31465), (899, 13895), (1015, 12307), (1085, 11513), (1985, 6293), (2779, 4495)]