218918399

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{11047}}^1$

素因数の和:11222

約数の個数: 16

約数和(自身を含む): 265152000

約数和(自身を除く): 46233601

約数列:

[1, 7, 19, 133, 149, 1043, 2831, 11047, 19817, 77329, 209893, 1469251, 1646003, 11522021, 31274057, 218918399]

約数ペア:

[(1, 218918399), (7, 31274057), (19, 11522021), (133, 1646003), (149, 1469251), (1043, 209893), (2831, 77329), (11047, 19817)]