257145208318

素因数分解:

$2^1\times {\mathrm{1823}}^1\times {\mathrm{4519}}^1\times {\mathrm{15607}}^1$

素因数の和:21951

約数の個数: 16

約数和(自身を含む): 386039531520

約数和(自身を除く): 128894323202

約数列:

[1, 2, 1823, 3646, 4519, 9038, 15607, 31214, 8238137, 16476274, 28451561, 56903122, 70528033, 141056066, 128572604159, 257145208318]

約数ペア:

[(1, 257145208318), (2, 128572604159), (1823, 141056066), (3646, 70528033), (4519, 56903122), (9038, 28451561), (15607, 16476274), (31214, 8238137)]