1281436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 2544080

約数和(自身を除く): 1262644

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 1297, 2594, 5188, 16861, 24643, 33722, 49286, 67444, 98572, 320359, 640718, 1281436]

約数ペア:

[(1, 1281436), (2, 640718), (4, 320359), (13, 98572), (19, 67444), (26, 49286), (38, 33722), (52, 24643), (76, 16861), (247, 5188), (494, 2594), (988, 1297)]