256803988

素因数分解:

$2^2\times 7^1\times {\mathrm{1597}}^1\times {\mathrm{5743}}^1$

素因数の和:7351

約数の個数: 24

約数和(自身を含む): 514019072

約数和(自身を除く): 257215084

約数列:

[1, 2, 4, 7, 14, 28, 1597, 3194, 5743, 6388, 11179, 11486, 22358, 22972, 40201, 44716, 80402, 160804, 9171571, 18343142, 36686284, 64200997, 128401994, 256803988]

約数ペア:

[(1, 256803988), (2, 128401994), (4, 64200997), (7, 36686284), (14, 18343142), (28, 9171571), (1597, 160804), (3194, 80402), (5743, 44716), (6388, 40201), (11179, 22972), (11486, 22358)]