661051804

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{1423}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 1355010048

約数和(自身を除く): 693958244

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 353, 658, 706, 1316, 1412, 1423, 2471, 2846, 4942, 5692, 9884, 9961, 16591, 19922, 33182, 39844, 66364, 66881, 116137, 133762, 232274, 267524, 464548, 468167, 502319, 936334, 1004638, 1872668, 2009276, 3516233, 7032466, 14064932, 23608993, 47217986, 94435972, 165262951, 330525902, 661051804]

約数ペア:

[(1, 661051804), (2, 330525902), (4, 165262951), (7, 94435972), (14, 47217986), (28, 23608993), (47, 14064932), (94, 7032466), (188, 3516233), (329, 2009276), (353, 1872668), (658, 1004638), (706, 936334), (1316, 502319), (1412, 468167), (1423, 464548), (2471, 267524), (2846, 232274), (4942, 133762), (5692, 116137), (9884, 66881), (9961, 66364), (16591, 39844), (19922, 33182)]