220971044

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{81359}}^1$

素因数の和:81467

約数の個数: 24

約数和(自身を含む): 446503680

約数和(自身を除く): 225532636

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 81359, 162718, 325436, 569513, 1139026, 2278052, 7891823, 15783646, 31567292, 55242761, 110485522, 220971044]

約数ペア:

[(1, 220971044), (2, 110485522), (4, 55242761), (7, 31567292), (14, 15783646), (28, 7891823), (97, 2278052), (194, 1139026), (388, 569513), (679, 325436), (1358, 162718), (2716, 81359)]