17701145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 9946855

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 1999, 8855, 9995, 13993, 21989, 45977, 69965, 109945, 153923, 229885, 321839, 505747, 769615, 1609195, 2528735, 3540229, 17701145]

約数ペア:

[(1, 17701145), (5, 3540229), (7, 2528735), (11, 1609195), (23, 769615), (35, 505747), (55, 321839), (77, 229885), (115, 153923), (161, 109945), (253, 69965), (385, 45977), (805, 21989), (1265, 13993), (1771, 9995), (1999, 8855)]