211156918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{18461}}^1$

素因数の和:18532

約数の個数: 32

約数和(自身を含む): 389917440

約数和(自身を除く): 178760522

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 5719, 11438, 18461, 36922, 129227, 258454, 350759, 701518, 793823, 1587646, 2455313, 4910626, 5556761, 11113522, 15082637, 30165274, 105578459, 211156918]

約数ペア:

[(1, 211156918), (2, 105578459), (7, 30165274), (14, 15082637), (19, 11113522), (38, 5556761), (43, 4910626), (86, 2455313), (133, 1587646), (266, 793823), (301, 701518), (602, 350759), (817, 258454), (1634, 129227), (5719, 36922), (11438, 18461)]