257982

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 32

約数和(自身を含む): 568320

約数和(自身を除く): 310338

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 73, 93, 114, 146, 186, 219, 438, 589, 1178, 1387, 1767, 2263, 2774, 3534, 4161, 4526, 6789, 8322, 13578, 42997, 85994, 128991, 257982]

約数ペア:

[(1, 257982), (2, 128991), (3, 85994), (6, 42997), (19, 13578), (31, 8322), (38, 6789), (57, 4526), (62, 4161), (73, 3534), (93, 2774), (114, 2263), (146, 1767), (186, 1387), (219, 1178), (438, 589)]