72216368

素因数分解:

$2^4\times 7^1\times {\mathrm{644789}}^1$

素因数の和:644804

約数の個数: 20

約数和(自身を含む): 159907920

約数和(自身を除く): 87691552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 644789, 1289578, 2579156, 4513523, 5158312, 9027046, 10316624, 18054092, 36108184, 72216368]

約数ペア:

[(1, 72216368), (2, 36108184), (4, 18054092), (7, 10316624), (8, 9027046), (14, 5158312), (16, 4513523), (28, 2579156), (56, 1289578), (112, 644789)]