215518672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{708943}}^1$

素因数の和:708970

約数の個数: 20

約数和(自身を含む): 439545280

約数和(自身を除く): 224026608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 708943, 1417886, 2835772, 5671544, 11343088, 13469917, 26939834, 53879668, 107759336, 215518672]

約数ペア:

[(1, 215518672), (2, 107759336), (4, 53879668), (8, 26939834), (16, 13469917), (19, 11343088), (38, 5671544), (76, 2835772), (152, 1417886), (304, 708943)]