639035266

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{4289}}^1$

素因数の和:4434

約数の個数: 32

約数和(自身を含む): 1037836800

約数和(自身を除く): 398801534

約数列:

[1, 2, 23, 41, 46, 79, 82, 158, 943, 1817, 1886, 3239, 3634, 4289, 6478, 8578, 74497, 98647, 148994, 175849, 197294, 338831, 351698, 677662, 4044527, 7793113, 8089054, 13892071, 15586226, 27784142, 319517633, 639035266]

約数ペア:

[(1, 639035266), (2, 319517633), (23, 27784142), (41, 15586226), (46, 13892071), (79, 8089054), (82, 7793113), (158, 4044527), (943, 677662), (1817, 351698), (1886, 338831), (3239, 197294), (3634, 175849), (4289, 148994), (6478, 98647), (8578, 74497)]