217596445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4649}}^1$

素因数の和:4725

約数の個数: 32

約数和(自身を含む): 305337600

約数和(自身を除く): 87741155

約数列:

[1, 5, 11, 23, 37, 55, 115, 185, 253, 407, 851, 1265, 2035, 4255, 4649, 9361, 23245, 46805, 51139, 106927, 172013, 255695, 534635, 860065, 1176197, 1892143, 3956299, 5880985, 9460715, 19781495, 43519289, 217596445]

約数ペア:

[(1, 217596445), (5, 43519289), (11, 19781495), (23, 9460715), (37, 5880985), (55, 3956299), (115, 1892143), (185, 1176197), (253, 860065), (407, 534635), (851, 255695), (1265, 172013), (2035, 106927), (4255, 51139), (4649, 46805), (9361, 23245)]