256488156

素因数分解:

$2^2\times 3^2\times {\mathrm{2003}}^1\times {\mathrm{3557}}^1$

素因数の和:5570

約数の個数: 36

約数和(自身を含む): 648851112

約数和(自身を除く): 392362956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2003, 3557, 4006, 6009, 7114, 8012, 10671, 12018, 14228, 18027, 21342, 24036, 32013, 36054, 42684, 64026, 72108, 128052, 7124671, 14249342, 21374013, 28498684, 42748026, 64122039, 85496052, 128244078, 256488156]

約数ペア:

[(1, 256488156), (2, 128244078), (3, 85496052), (4, 64122039), (6, 42748026), (9, 28498684), (12, 21374013), (18, 14249342), (36, 7124671), (2003, 128052), (3557, 72108), (4006, 64026), (6009, 42684), (7114, 36054), (8012, 32013), (10671, 24036), (12018, 21342), (14228, 18027)]