638864076

素因数分解:

$2^2\times 3^1\times {\mathrm{4231}}^1\times {\mathrm{12583}}^1$

素因数の和:16821

約数の個数: 24

約数和(自身を含む): 1491153664

約数和(自身を除く): 852289588

約数列:

[1, 2, 3, 4, 6, 12, 4231, 8462, 12583, 12693, 16924, 25166, 25386, 37749, 50332, 50772, 75498, 150996, 53238673, 106477346, 159716019, 212954692, 319432038, 638864076]

約数ペア:

[(1, 638864076), (2, 319432038), (3, 212954692), (4, 159716019), (6, 106477346), (12, 53238673), (4231, 150996), (8462, 75498), (12583, 50772), (12693, 50332), (16924, 37749), (25166, 25386)]