278320664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{4909}}^1$

素因数の和:5307

約数の個数: 32

約数和(自身を含む): 550902000

約数和(自身を除く): 272581336

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 373, 746, 1492, 2984, 4909, 7087, 9818, 14174, 19636, 28348, 39272, 56696, 93271, 186542, 373084, 746168, 1831057, 3662114, 7324228, 14648456, 34790083, 69580166, 139160332, 278320664]

約数ペア:

[(1, 278320664), (2, 139160332), (4, 69580166), (8, 34790083), (19, 14648456), (38, 7324228), (76, 3662114), (152, 1831057), (373, 746168), (746, 373084), (1492, 186542), (2984, 93271), (4909, 56696), (7087, 39272), (9818, 28348), (14174, 19636)]