256844247

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 383201280

約数和(自身を除く): 126357033

約数列:

[1, 3, 11, 33, 79, 83, 237, 249, 869, 913, 1187, 2607, 2739, 3561, 6557, 13057, 19671, 39171, 72127, 93773, 98521, 216381, 281319, 295563, 1031503, 1083731, 3094509, 3251193, 7783159, 23349477, 85614749, 256844247]

約数ペア:

[(1, 256844247), (3, 85614749), (11, 23349477), (33, 7783159), (79, 3251193), (83, 3094509), (237, 1083731), (249, 1031503), (869, 295563), (913, 281319), (1187, 216381), (2607, 98521), (2739, 93773), (3561, 72127), (6557, 39171), (13057, 19671)]