72163903

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 89579520

約数和(自身を除く): 17415617

約数列:

[1, 7, 23, 59, 71, 107, 161, 413, 497, 749, 1357, 1633, 2461, 4189, 6313, 7597, 9499, 11431, 17227, 29323, 44191, 53179, 96347, 145199, 174731, 448223, 674429, 1016393, 1223117, 3137561, 10309129, 72163903]

約数ペア:

[(1, 72163903), (7, 10309129), (23, 3137561), (59, 1223117), (71, 1016393), (107, 674429), (161, 448223), (413, 174731), (497, 145199), (749, 96347), (1357, 53179), (1633, 44191), (2461, 29323), (4189, 17227), (6313, 11431), (7597, 9499)]