1640803878

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{1446917}}^1$

素因数の和:1446938

約数の個数: 40

約数和(自身を含む): 4201849872

約数和(自身を除く): 2561045994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 1446917, 2893834, 4340751, 8681502, 10128419, 13022253, 20256838, 26044506, 30385257, 39066759, 60770514, 78133518, 91155771, 117200277, 182311542, 234400554, 273467313, 546934626, 820401939, 1640803878]

約数ペア:

[(1, 1640803878), (2, 820401939), (3, 546934626), (6, 273467313), (7, 234400554), (9, 182311542), (14, 117200277), (18, 91155771), (21, 78133518), (27, 60770514), (42, 39066759), (54, 30385257), (63, 26044506), (81, 20256838), (126, 13022253), (162, 10128419), (189, 8681502), (378, 4340751), (567, 2893834), (1134, 1446917)]