1393957187

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1481}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 1690191360

約数和(自身を除く): 296234173

約数列:

[1, 7, 43, 53, 59, 301, 371, 413, 1481, 2279, 2537, 3127, 10367, 15953, 17759, 21889, 63683, 78493, 87379, 134461, 445781, 549451, 611653, 941227, 3375199, 3757297, 4631087, 23626393, 26301079, 32417609, 199136741, 1393957187]

約数ペア:

[(1, 1393957187), (7, 199136741), (43, 32417609), (53, 26301079), (59, 23626393), (301, 4631087), (371, 3757297), (413, 3375199), (1481, 941227), (2279, 611653), (2537, 549451), (3127, 445781), (10367, 134461), (15953, 87379), (17759, 78493), (21889, 63683)]