288971956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25609}}^1$

素因数の和:25664

約数の個数: 48

約数和(自身を含む): 642503680

約数和(自身を除く): 353531724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 25609, 51218, 102436, 179263, 332917, 358526, 665834, 717052, 793879, 1331668, 1587758, 2330419, 3175516, 4660838, 5557153, 9321676, 10320427, 11114306, 20640854, 22228612, 41281708, 72242989, 144485978, 288971956]

約数ペア:

[(1, 288971956), (2, 144485978), (4, 72242989), (7, 41281708), (13, 22228612), (14, 20640854), (26, 11114306), (28, 10320427), (31, 9321676), (52, 5557153), (62, 4660838), (91, 3175516), (124, 2330419), (182, 1587758), (217, 1331668), (364, 793879), (403, 717052), (434, 665834), (806, 358526), (868, 332917), (1612, 179263), (2821, 102436), (5642, 51218), (11284, 25609)]