28382406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5431}}^1$

素因数の和:5516

約数の個数: 32

約数和(自身を含む): 62055168

約数和(自身を除く): 33672762

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 5431, 10862, 16293, 32586, 70603, 141206, 211809, 363877, 423618, 727754, 1091631, 2183262, 4730401, 9460802, 14191203, 28382406]

約数ペア:

[(1, 28382406), (2, 14191203), (3, 9460802), (6, 4730401), (13, 2183262), (26, 1091631), (39, 727754), (67, 423618), (78, 363877), (134, 211809), (201, 141206), (402, 70603), (871, 32586), (1742, 16293), (2613, 10862), (5226, 5431)]