217891728

素因数分解:

$2^4\times 3^3\times {\mathrm{504379}}^1$

素因数の和:504396

約数の個数: 40

約数和(自身を含む): 625431200

約数和(自身を除く): 407539472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 504379, 1008758, 1513137, 2017516, 3026274, 4035032, 4539411, 6052548, 8070064, 9078822, 12105096, 13618233, 18157644, 24210192, 27236466, 36315288, 54472932, 72630576, 108945864, 217891728]

約数ペア:

[(1, 217891728), (2, 108945864), (3, 72630576), (4, 54472932), (6, 36315288), (8, 27236466), (9, 24210192), (12, 18157644), (16, 13618233), (18, 12105096), (24, 9078822), (27, 8070064), (36, 6052548), (48, 4539411), (54, 4035032), (72, 3026274), (108, 2017516), (144, 1513137), (216, 1008758), (432, 504379)]