217973.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 21954240

約数和(自身を除く): 10846550

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 241, 419, 482, 838, 1205, 2095, 2410, 2651, 4190, 4609, 5302, 9218, 13255, 23045, 26510, 46090, 100979, 201958, 504895, 1009790, 1110769, 2221538, 5553845, 11107690]

約数ペア:

[(1, 11107690), (2, 5553845), (5, 2221538), (10, 1110769), (11, 1009790), (22, 504895), (55, 201958), (110, 100979), (241, 46090), (419, 26510), (482, 23045), (838, 13255), (1205, 9218), (2095, 5302), (2410, 4609), (2651, 4190)]