219319318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{64849}}^1$

素因数の和:64959

約数の個数: 16

約数和(自身を含む): 350190000

約数和(自身を除く): 130870682

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 64849, 129698, 1232131, 2464262, 5771561, 11543122, 109659659, 219319318]

約数ペア:

[(1, 219319318), (2, 109659659), (19, 11543122), (38, 5771561), (89, 2464262), (178, 1232131), (1691, 129698), (3382, 64849)]