1639452494239

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5657}}^1\times {\mathrm{19991}}^1$

素因数の和:25783

約数の個数: 32

約数和(自身を含む): 1990819353600

約数和(自身を除く): 351366859361

約数列:

[1, 7, 19, 109, 133, 763, 2071, 5657, 14497, 19991, 39599, 107483, 139937, 379829, 616613, 752381, 2179019, 2658803, 4316291, 11715647, 15253133, 41401361, 82009529, 113089087, 289809527, 791623609, 2148692653, 12326710483, 15040848571, 86286973381, 234207499177, 1639452494239]

約数ペア:

[(1, 1639452494239), (7, 234207499177), (19, 86286973381), (109, 15040848571), (133, 12326710483), (763, 2148692653), (2071, 791623609), (5657, 289809527), (14497, 113089087), (19991, 82009529), (39599, 41401361), (107483, 15253133), (139937, 11715647), (379829, 4316291), (616613, 2658803), (752381, 2179019)]