218407538

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{7309}}^1$

素因数の和:7601

約数の個数: 16

約数和(自身を含む): 334037760

約数和(自身を除く): 115630222

約数列:

[1, 2, 67, 134, 223, 446, 7309, 14618, 14941, 29882, 489703, 979406, 1629907, 3259814, 109203769, 218407538]

約数ペア:

[(1, 218407538), (2, 109203769), (67, 3259814), (134, 1629907), (223, 979406), (446, 489703), (7309, 29882), (14618, 14941)]