256460936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{16381}}^1$

素因数の和:16509

約数の個数: 32

約数和(自身を含む): 511118400

約数和(自身を除く): 254657464

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1957, 3914, 7828, 15656, 16381, 32762, 65524, 131048, 311239, 622478, 1244956, 1687243, 2489912, 3374486, 6748972, 13497944, 32057617, 64115234, 128230468, 256460936]

約数ペア:

[(1, 256460936), (2, 128230468), (4, 64115234), (8, 32057617), (19, 13497944), (38, 6748972), (76, 3374486), (103, 2489912), (152, 1687243), (206, 1244956), (412, 622478), (824, 311239), (1957, 131048), (3914, 65524), (7828, 32762), (15656, 16381)]