16815962009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{17047}}^1$

素因数の和:17645

約数の個数: 32

約数和(自身を含む): 21917454336

約数和(自身を除く): 5101492327

約数列:

[1, 7, 11, 23, 77, 161, 253, 557, 1771, 3899, 6127, 12811, 17047, 42889, 89677, 119329, 140921, 187517, 392081, 986447, 1312619, 2744567, 4312891, 9495179, 30190237, 66466253, 104446969, 218389117, 731128783, 1528723819, 2402280287, 16815962009]

約数ペア:

[(1, 16815962009), (7, 2402280287), (11, 1528723819), (23, 731128783), (77, 218389117), (161, 104446969), (253, 66466253), (557, 30190237), (1771, 9495179), (3899, 4312891), (6127, 2744567), (12811, 1312619), (17047, 986447), (42889, 392081), (89677, 187517), (119329, 140921)]