72101918

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223919}}^1$

素因数の和:223951

約数の個数: 16

約数和(自身を含む): 128977920

約数和(自身を除く): 56876002

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 223919, 447838, 1567433, 3134866, 5150137, 10300274, 36050959, 72101918]

約数ペア:

[(1, 72101918), (2, 36050959), (7, 10300274), (14, 5150137), (23, 3134866), (46, 1567433), (161, 447838), (322, 223919)]