217666658

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{3319}}^1$

素因数の和:3614

約数の個数: 24

約数和(自身を含む): 360312960

約数和(自身を除く): 142646302

約数列:

[1, 2, 11, 22, 121, 242, 271, 542, 2981, 3319, 5962, 6638, 32791, 36509, 65582, 73018, 401599, 803198, 899449, 1798898, 9893939, 19787878, 108833329, 217666658]

約数ペア:

[(1, 217666658), (2, 108833329), (11, 19787878), (22, 9893939), (121, 1798898), (242, 899449), (271, 803198), (542, 401599), (2981, 73018), (3319, 65582), (5962, 36509), (6638, 32791)]