218213105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{557}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 303730560

約数和(自身を除く): 85517455

約数列:

[1, 5, 11, 17, 55, 85, 187, 419, 557, 935, 2095, 2785, 4609, 6127, 7123, 9469, 23045, 30635, 35615, 47345, 78353, 104159, 233383, 391765, 520795, 1166915, 2567213, 3967511, 12836065, 19837555, 43642621, 218213105]

約数ペア:

[(1, 218213105), (5, 43642621), (11, 19837555), (17, 12836065), (55, 3967511), (85, 2567213), (187, 1166915), (419, 520795), (557, 391765), (935, 233383), (2095, 104159), (2785, 78353), (4609, 47345), (6127, 35615), (7123, 30635), (9469, 23045)]