261957456

素因数分解:

$2^4\times 3^3\times {\mathrm{606383}}^1$

素因数の和:606400

約数の個数: 40

約数和(自身を含む): 751916160

約数和(自身を除く): 489958704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 606383, 1212766, 1819149, 2425532, 3638298, 4851064, 5457447, 7276596, 9702128, 10914894, 14553192, 16372341, 21829788, 29106384, 32744682, 43659576, 65489364, 87319152, 130978728, 261957456]

約数ペア:

[(1, 261957456), (2, 130978728), (3, 87319152), (4, 65489364), (6, 43659576), (8, 32744682), (9, 29106384), (12, 21829788), (16, 16372341), (18, 14553192), (24, 10914894), (27, 9702128), (36, 7276596), (48, 5457447), (54, 4851064), (72, 3638298), (108, 2425532), (144, 1819149), (216, 1212766), (432, 606383)]