15678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:88

約数の個数: 24

約数和(自身を含む): 37128

約数和(自身を除く): 21450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1742, 2613, 5226, 7839, 15678]

約数ペア:

[(1, 15678), (2, 7839), (3, 5226), (6, 2613), (9, 1742), (13, 1206), (18, 871), (26, 603), (39, 402), (67, 234), (78, 201), (117, 134)]