47489981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 61870080

約数和(自身を除く): 14380099

約数列:

[1, 7, 11, 37, 77, 79, 211, 259, 407, 553, 869, 1477, 2321, 2849, 2923, 6083, 7807, 16247, 16669, 20461, 32153, 54649, 85877, 116683, 183359, 225071, 601139, 616753, 1283513, 4317271, 6784283, 47489981]

約数ペア:

[(1, 47489981), (7, 6784283), (11, 4317271), (37, 1283513), (77, 616753), (79, 601139), (211, 225071), (259, 183359), (407, 116683), (553, 85877), (869, 54649), (1477, 32153), (2321, 20461), (2849, 16669), (2923, 16247), (6083, 7807)]